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{{CharacterSheet
 
{{CharacterSheet
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| image1 = Shadowth eggman.png
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| image1 = Eggman01 32.png
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| image2 = Eggman01 32.png
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| i1size = 155
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| image2 = Sonicchannel eggman.png
 
| charcolor = grey
 
| charcolor = grey
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| charname = Dr. Eggman/Dr. Ivo Robotnik
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| charname = Dr. Ivo Robotnik/Dr. Eggman
 
| debut = [[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]
 
| debut = [[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]
 
| debutyear = 1991
 
| debutyear = 1991
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| weight = 128kg (281lbs)
 
| weight = 128kg (281lbs)
 
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:''"Robotnik" redirects here. Maybe you were looking for [[Gerald Robotnik]] (Ivo Robotnik's grandfather) or [[Maria Robotnik]] (Ivo Robotnik's cousin).''
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:''"Robotnik" redirects here. For other characters featuring the surname, please see [[Gerald Robotnik]] (Dr. Eggman's grandfather) or [[Maria Robotnik]] (Dr. Eggman's cousin).''
  
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In [[Sonic the Hedgehog]] video games, '''Doctor Eggman''', known as '''Doctor Ivo Robotnik''' until ''[[Sonic Adventure 2]]'' but still referred to as in other media and some English manuals, is the arch-nemesis of [[Sonic the Hedgehog]]. His character designer is [[Naoto Ohshima]].
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'''Dr. Eggman''', also known as '''Dr. Ivo Robotnik''', is the main antagonist of the ''[[Games featuring Sonic the Hedgehog|Sonic the Hedgehog]]'' series of games and related media. Introduced along with the title character in 1991, he has been featured in nearly every [[Sonic the Hedgehog]] title since. Originally set up as the primary villain, the character has occasionally been usurped by various forces beyond his control, but in every instance this occurs he remains one of the central figures, his quest for the "[[Eggman Empire]]" a never-ending dream.
  
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==Personality and Main Details==
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==Character Conception==
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Dr. Eggman, the grandson of [[Prof. Gerald Robotnik]], is an evil genius with an I.Q. of 300 and a very childish demeanor. He always tries to take over the world by enslaving the population inside robots to serve his every whim. Of course, Sonic and his friends are always there to stop him. He is 6 feet tall, and weighs 281.6 lbs.
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[[Image:S1concept-eggman.jpg|thumb|190px|The earliest known drawing of Dr. Eggman.]]
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[[File:06 OBJECTION!.jpg|thumb|190px|Eggman's realistic design in ''Sonic '06''.]]
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At the dawn of the 16-bit gaming wars, [[sega:Sega|Sega]] had resolved that they would do whatever was in their power to topple the gaming giant [[Nintendo]], and sought to create a franchise that would rival the [[Mario|Super Mario Bros]]. games. While it was [[Naoto Ohshima]]'s design of [[Sonic the Hedgehog]] that won the internal competition for corporate mascot, it was only one of many designs he had come up with for Sega. One of the other designs that had been considered in the final deliberations, but was ultimately passed up on, was a roundish, mustached man in pajamas. Bearing a striking resemblance to the 26th President of the United States [[wiki:Theodore Roosevelt|Theodore Roosevelt]], Ohshima and the rest of the development team didn't want to discard the design, feeling there was still potential even if the character wasn't to be the star. Sega's AM8 division (which would eventually christen itself "[[Sonic Team]]") decided to redesign the look of the character, repurposing him as a villain to be used in the game. While [http://info.sonicretro.org/File:Sonic_Gems_300.jpg early concept art] for ''[[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]'' shows a bee-like Eggman originally as one of many enemies, as the development for the game progressed, the original Sonic Team decided to drop the other characters and focus on the Sonic and Eggman dynamic, making Dr. Eggman the primary antagonist of the game, and subsequently the sequels that were to follow.  
  
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According to the ''Sonic Heroes'' booklet, he is "a romanticist, feminist, and self-professed gentleman."
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Dr. Eggman's finalized design was an extremely simplified version of his earliest sketch, losing the bulky look of his pajamas and gaining a more primary color scheme of red, black and yellow. This was done in an effort to differentiate the two characters in the game, and place emphasis on the subtle nature/technology dynamic the two represented. His simple design was also done so that young children would be able to draw him easily.[http://web.archive.org/web/19970605172353/www.sega.com/features/allsonic/creator/naka04.html]
  
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In appearance he is obese, possessing an egg-shaped body. Despite this, he is actually somewhat athletic to a certain degree, as seen in ''[[Sonic Adventure 2]]''s [[Chao Garden]] stages. Sometimes he is portrayed with long spindly arms and legs and sometimes with shorter, stumpier limbs. He tends to almost exclusively wear a combination of red, black and/or yellow, and is often depicted with tinted, round pince-nez spectacles. In other (non-canonical) depictions his eyes are either black with red, glowing pupils or are replaced entirely with camera lenses. His trademark mustache is always depicted, but the color is either red or brown, depending on the depiction.
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When the Sonic characters were revisited for production on ''[[Sonic Adventure]]'', Dr. Eggman was originally meant to look more or less the same as he did in the classic games, receiving small alterations similar to what Sonic, [[Miles "Tails" Prower]], and [[Knuckles the Echidna]] gained. However, [[Yuji Uekawa]], the man in charge of the redesign process, ultimately decided to drastically change the look of the character. While maintaining the red and black color scheme, his wardrobe was completely revamped, his egg-shaped body also becoming slightly less pronounced, giving him a more realistic proportion. This was taken a step further in ''[[Sonic the Hedgehog (2006 game)|Sonic the Hedgehog 2006]]'' when he was redesigned once more to match the realistic humans in the game. However, this even more extreme redesign was only used once, the ''Sonic Adventure'' design returning in later console releases such as ''[[Sonic Unleashed]]''.
  
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He has designed and built several airships, such as the [[Egg Carrier]] and a space station called the [[Death Egg]]. He has also designed and built countless robots, a number of which resemble either himself or his longtime rival, Sonic. It is suggested that in the 'original' Sonic the Hedgehog games, he build his creations individually by hand - however, since adopting a 'quantity over quantity' theme regarding his creations since ''[[Sonic Heroes]]'', it is assumed that his robot armies are built automatically or mass-produced to his own designs, leaving himself free to create larger, more impressive creations.
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==Dr. Eggman (Video Game)==
  
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Unlike many other video game villains, in most of the Sonic games Eggman appears as the boss of every level, in a different machine each time. Most games only feature the main villain as the boss in the final stage.
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===Origin of Dr. Eggman===
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[[Image:Classic eggman orthographic.svg|thumb|190px|The classic Dr. Eggman design, as used from 1991 to 1997.]]
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The grandson of [[Professor Gerald Robotnik]], Dr. Eggman was born as Ivo Robotnik. While much of his past remains a mystery, it is known that in his early years Eggman looked up to his grandfather, hoping to one day be as great a scientist as Gerald ever was. However, since Eggman's age is unknown, it can not be stated if he looked up to him because he knew his grandfather before the unfortunate incident that befell the [[Space Colony ARK]], or only by stories that he heard from his family. Likewise, whether or not Eggman ever knew his terminally-ill cousin [[Maria]] and the importance she held for their grandfather is also unknown, an issue likely to never be addressed.
  
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He was one of the suggestions for the hero in the game that would eventually be called ''[[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]''. However, the blue hedgehog was won the in-house design contest and Eggman had to settle for villain.  
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It was later on in life that Dr. Robotnik would meet his long-time rival and arch-nemesis [[Sonic the Hedgehog]]. It is unknown how long they knew each other before the events chronicled in ''Sonic the Hedgehog'', but it is known that it was these occasions where Dr. Robotnik gained the nickname "Eggman" from Sonic. Instead of being angry, Robotnik decided to adopt the nickname as his own, calling himself "Dr. Eggman" and pasting the name on everything belonging to him, such as the [[Wing Fortress Zone|Wing Fortress]] he used in ''[[Sonic the Hedgehog 2 (16-bit)|Sonic the Hedgehog 2]]''. Embracing his Eggman persona, he tires endlessly to achieve his ultimate goal - the establishment of the Eggman Empire.
  
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Eggman's name may have been inspired by The Beatles' "I am the Walrus" (''I am the eggman, they are the eggmen''). His look, in particular his facial appearance, was most likely inspired by U.S. president Theodore Roosevelt.
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===Personality and Traits===
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[[Image:CS E US.png|thumb|190px|Dr. Eggman's profile from ''[[Sonic Jam]]''.]]
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[[Image:SA Eggman Original.jpg|thumb|190px|The original unveiling of Dr. Eggman's redesign. From ''[[Sonic Adventure]]''.]]
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Dr. Eggman is a male human, whose age is currently unknown. With a recorded IQ of 300 (though it may possibly be greater), he is one of the most intelligent beings on the planet Earth, as proven by his mastery in robotics and its related fields. While he could be anything, Dr. Eggman has set his sights on the highest prize of them all - global domination. Dreaming of the day he will be able to erect [[Eggmanland]], Eggman tires endlessly at accomplishing this, though his plans are foiled time and again by the blue blur himself, Sonic the Hedgehog.
  
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==Creations==
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Although he wants to rule the world, his desires are not for total destruction but instead to have the world focus on him and his image. This desire for recognition is not necessarily evil, but the ways he has gone about it can only be interpreted as such. Even with his IQ, he often acts childish, his need for attention and the desire to get his way paving the way for such behavior. Even so, Eggman is more than just a man with a dream, being described as a "romanticist, feminist, and self-professed gentleman."[http://info.sonicretro.org/File:Heroes_gc_us_manual_16_17.jpg] Above all, he is someone who does not give up easily, no matter how many setbacks he runs into or how many times Sonic and his many friends stop him.
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===Eggman's Mobile===
 
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:''Main Article: [[Egg Mobile]]''
 
  
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As the vastness of Dr. Eggman's mechanical kingdom requires omnipresence to maintain a tight control, Eggman's Mobile (also known as the Eggmobile in the ''[[Sonic Adventure]]'' Sound Test, or the Egg-O-Matic in US comics and cartoons) allows the doctor to cruise around his factories in a speedy fashion. The small hovering craft has a very distinct egg-like shape with a small circular lamp on the front, and can be fitted with a seemingly endless amount of gadgetry. Not only does the doctor use it as his mode of transportation but also as the cockpit of even larger doomsday devices. When these are destroyed, Eggman and his mobile will inevitably emerge unscathed from the fires.
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Because of his obsession with ruling the world, it only makes sense that he would be obsessed with the seven items that could allow that to happen - the [[Chaos Emeralds]]. Ever since he learned that they were more than just legend, Eggman has tried endlessly to access the [[Special Stage|special stages]] they are often hiding in and claim them for himself. Although there have been times when he has been close to getting them all, never once has he succeeded in beating Sonic, making the Eggman Empire still nothing more than his vision of the future.
  
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===Badniks===
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Although Eggman rarely goes up against Sonic without his trusty [[Eggmobile]], the times he is outside of it has shown just how athletic he is. Though his physical appearance would suggest otherwise, Eggman is capable of sprinting at immense speeds, able to even outrun Sonic for a few seconds. Whether this means that the doctor is able to actually accelerate slightly faster than Sonic or if he just happens to have luck on his side (Sonic being tired out from traversing an entire [[Scrap Brain Zone (8-bit)|base]] or other such level) is unknown. Whatever the reason, it is always long enough for him to run into his latest weapon. Aside from this, the doctor's physical abilities are limited to those of normal humans, though he has proven to have an extremely resilient body, his luck running even deeper, able to survive time and again the destruction of his bases, air ships, and Eggmobiles.
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:Main article: ''[[Badniks]]''
 
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The helpless animals that inhabit the islands of Sonic's world are usually the first to fall victim to Dr. Eggman diabolical schemes, as the evil doctor will gather them in large droves to be transformed into his loyal worker drones. The badniks are most often used to build Eggman's weaponry, such as the Death Egg space station, but they play a more visible role as the enemies Sonic encounters on his quest to defeat the evil doctor. These badniks come in all sizes and shapes, usually accommodated to the particular environment of the zone in which they appear. A simple bump to the head of each robot is enough to free the animal inside of it.
 
  
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It should be noted however that not all badniks contain animals. Some of them are invincible to Sonic's attacks and detonate by means of self-destruct (most famously the Bomb robots from [[Star Light Zone]] and the Astrobots from [[Metropolis Zone]]). Others were created as more intelligent mechanics to oversee the construction of Eggman's facilities and posses a personality of their own. Most prominently these include the Badnik duo [[Heavy and Bomb]], first seen in ''[[Knuckles' Chaotix]]''.
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Dr. Eggman, in his quest to take over the world, has also looked for allies outside of his own making. These allies are often creatures who existed in the distant past, sealed away because of their powers and the havoc they could cause. Since ''[[Sonic Adventure]]'', Eggman has awoken and tried to control the likes of [[Perfect Chaos]], [[Biolizard]], [[Solaris]], and [[Dark Gaia]], every time the arrangement blowing up in his face. While anyone else would have learned to avoid such actions the first time around, Eggman's determination gives the impression he will continue looking toward ancient legends of otherworldly creatures as a tool to succeed.
  
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Since ''[[Sonic Adventure]]'', Badniks have often been abandoned in favor of Eggman's E-Series units. In ''[[Sonic Heroes]]'' it appears that the Eggpawns have replaced the Badniks as Eggman's main infantry units. Eggman still uses the Eggpawns in ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' and variations of them in ''[[Sonic Rush]]''.
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It must be noted that while Eggman has tried time and again to defeat Sonic, often in acts that could potentially kill him, the doctor does not necessarily hate the hedgehog, almost looking fondly at their rivalry. This doesn't mean that Eggman enjoys losing; it merely hints that he might not know what to do with himself if he succeeded in taking over the world.
  
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===Egg robots===
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===Mechanical Creations===
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The doctor's Eggman-shaped robots have evolved throughout the series, first appearing in ''[[Sonic & Knuckles]]'' as the simple but numerous Egg-Bots or [[Eggrobo]]s. Soon after, Eggman followed up with more lethal incarnations that could think for themselves -- the [[E-Series Robots]]. Notable [[E-Series Robots]] include [[E-101 Beta]], [[E-102 Gamma]], [[E-103 Delta]], [[E-104 Epsilon]], [[E-105 Zeta]], [[E-121 Phi]] and [[E-123 Omega]].
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[[Image:CS E 03.png|thumb|190px|[[Eggpod|Eggman's Mobile]].]]
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Being the robotics genius that he is, Dr. Eggman is not only defined by his personality but by his many creations. Perhaps the most widely recognizable of these would be his [[Eggmobile]]. Also known as simply "Eggman's Mobile," this hovercraft has been seen in nearly every ''Sonic the Hedgehog'' game, piloted by the elusive doctor. The mobile is often used as the center for the many boss encounters that occur in the Sonic games, with wildly different attachments used in an effort to defeat Sonic, "Tails," and the rest. When inevitably defeated, Eggman uses the same pod to make a hasty getaway, preparing for the next encounter he'll have with his rival.
  
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Gamma was forced by Eggman to defeat his brother Beta, who was theoretically his superior. Seeing Beta's desire to be useful Eggman let him in on the operation but ridiculed him as "spare parts". After an encounter with [[Amy Rose]], and his accidental witnessing of Beta being taken apart and remade, Gamma decided to free the animals imprisoned in all of Eggman's robots, including the ones inside the E-Series. Beta was actively reengineered and modified in the meantime. Gamma, having destroyed all the other robots and freed the animals inside, went on to have a final showdown with Beta, going into battle with one thought in mind: he too has an animal imprisoned inside.
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When not fighting against Sonic himself, Dr. Eggman has developed numerous [[Eggman's robots|robot enemies]] to do the fighting for him. Their functions are wide and varied, ranging from being simple guards used to defend his bases to those that seek out the [[Chaos Emeralds]]. At their heart, however, they have been built to help conquer the many zones of the planet, in the process aiming their sites at Sonic the Hedgehog in a bid to attack. The earliest of his robot army, sometimes called [[badniks]], had designs based on real animals, each with Eggman's own twist. Most of these early enemies were powered by the [[animals]] that resided where Eggman's latest base was, though some robots were powered by alternate sources. The enemies on the [[Little Planet]], for example, were powered by flowers, and those found the game ''[[Knuckles' Chaotix|Chaotix]]'' were powered by gray versions of the most common Sonic item of all, [[Ring|rings]]. While modern members of Eggman's army have been built to function without any such power source, he still uses animals from time to time.
  
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Omega, on the other hand, is a prototype robot which Eggman quickly dumped after he began work on the next line of robots, the E-2000. Infuriated by this, Omega joined [[Team Dark]] with [[Shadow the Hedgehog]] and [[Rouge the Bat]] in ''[[Sonic Heroes]]''.
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[[Image:CE S3 05.png|thumb|190px|A collection of early [[badniks]] from ''[[Sonic the Hedgehog 3]]''.]]
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The [[Sky Sanctuary Zone|Sky Sanctuary]] of ''[[Sonic & Knuckles]]'' was the first place where [[Eggrobo]], an enemy built in the image of Dr. Eggman himself, was introduced. While still part of his standard robot army, Eggrobo was designed to be the strongest of the fleet, with speed and power comparable to his most famous creation, [[Metal Sonic]]. While they were unable to stop Sonic and "Tails" at the end of the [[Death Egg Saga|Death Egg saga]], they were used as the inspiration for Eggman's future robot enemies, which eventually phased out the unique animal-based fleet he had been using up to this point. The first line of robots based from this mold, the [[E-Series Robots|E-100 series]], were introduced in ''[[Sonic Adventure]]''. Armed with advanced weaponry, they were meant to carry out missions his other creations were unable to, but the most successful of these, [[E-102 Gamma]], turned on his master and destroyed his early brethren. The final of the line, [[E-123 Omega]], was also given a staring role in ''[[Sonic Heroes]]'', but only seven of the implied twenty-four have been featured in the games thus far. ''Sonic Heroes'' also saw the introduction of the [[Egg Pawns]], based on the Eggrobo design but meant to fill the role of the early robots that had by now been phased out.
  
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Phi is a grey robot that looks similar to [[Emerl]] (''[[Sonic Battle]]''). He looks very different to the other E-series robots because of this. There are 14 versions of him who all have different attacks (i.e. Phi #1 has Sonic's attacks while Phi #14 has Rouge's attacks). At the end of the game they are all destroyed by Emerl.
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As mentioned before, though Eggman has had many robots and other creations at his disposal, his most famous would have to be [[Metal Sonic]]. Designed to be the hedgehog's equal, Metal is one of Eggman's most advanced robots, and subsequently been used more than once to try and finish off Sonic the Hedgehog, although Metal Sonic has never been able to stop his living counterpart. There have also been other such creations based on Eggman's other foes, such as [[Metal Knuckles]] and [[Tails Doll]], and even less advanced robots like the Mecha series - [[Mecha Sonic]] and [[Mecha Knuckles]] - but none have been used with such fervor as Metal Sonic. Also, while not part of either the Metal or Mecha series, Eggman did create a fleet of robots based on [[Shadow the Hedgehog]], first unveiled in ''Sonic Heroes'' but featured in the ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' game. As one final note, the enemy robot that may be his inspiration for Metal Sonic, Mecha Sonic, and the rest is [[Roller|Arma]] (also known as Roller), an Armadillo-based enemy from the [[Spring Yard Zone]] who shares Sonic's hue and his spin ability. Though extremely primitive compared to his later outings, it can be considered Eggman's first attempt at creating a robotic duplicate of his adversary.
  
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In ''[[Sonic Heroes]]'', Dr. Eggman ditched the animal-powered Badnik designs and, in their place, started developing Eggman-resembling grunts simply called Eggpawns. These had no animals inside and had rather poor intelligence and stamina, but they usually attacked in groups to make up for their lack of fighting power. Eggman continues to use the Eggpawn model in ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' and ''[[Sonic Rush]]'' and may do the same in future games. It should also be noted that in ''[[Sonic CD]]'' and bonus stages of ''[[Sonic Advance 3]]'' his robots contain flower seeds instead of animals, but in ''[[Knuckles' Chaotix]]'' and normal stages of ''Sonic Advance 3'' they contain Rings.
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On top of all of this, Eggman has also had numerous flying fortresses and bases that he's used during the course of the games. Among his many bases are [[Scrap Brain Zone|Scrap Brain]] from the first ''[[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]'', [[Metropolis Zone|Metropolis]] from ''[[Sonic the Hedgehog 2 (16-bit)|Sonic 2]]'', [[Launch Base Zone|Launch Base]] of ''[[Sonic the Hedgehog 3|Sonic 3]]'', [[Final Egg]] from ''Sonic Adventure'', and the [[Hidden Base|Pyramid Base]] of ''[[Sonic Adventure 2]]''. While the most famous of his flying fortresses is the [[Death Egg]] featured in ''Sonic 2'', ''3'', and ''Sonic & Knuckles'', he has built others including the [[Wing Fortress Zone|Wing Fortress]] from ''Sonic 2'', [[Flying Battery Zone|Flying Battery]] used in ''[[Sonic 3 & Knuckles]]'', and the [[Egg Carrier]] featured in ''Sonic Adventure'' and ''[[Sonic the Hedgehog (2006)|Sonic the Hedgehog 2006]]''. It must also be noted that he briefly was able to create a portion of his fabled dream land, [[Eggmanland]], during the events of ''[[Sonic Unleashed]]'', but it was swiftly destroyed as many of his other bases and creations have in the past, his vision returning to just a dream.
  
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In ''[[Sonic Unleashed]]'', Eggman began to use a wide variety of new robots, including [[Egg Fighter]]s which can have weaponry, and resemble a more advanced Egg Pawn.
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==Eggman in Other Media==
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As has been the case with [[Sonic the Hedgehog]], Dr. Eggman's origin has been changed countless times when adapted into other media, with varying degrees of success.
  
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===Sonic robots===
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===Westernized Game Localization===
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:Main articles: ''[[Metal Sonic]], [[Mecha Sonic]]''
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[[Image:STHPromoSTHPromo06.jpg|thumb|190px|[[Dr. Ovi Kintobor]] accidentally transforms into the evil Dr. Robotnik. From the [[Sonic the Hedgehog (promotional comic)|promotional comic]].]]
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Robotnik, aside from the huge mechas and robots he builds in his likeness, also seems to enjoy trying to make robot Sonic knock-offs to pit against his rival. His first attempt was called the Roller, which was in the [[Spring Yard Zone]] of ''[[Sonic the Hedgehog (16-bit)|Sonic 1]]''. Overall, they were a failure since they could only roll and Sonic could destroy them very easily. [[Mecha Sonic]] was his second attempt and featured as the penultimate boss of ''[[Sonic the Hedgehog 2]]''. Mecha Sonic was an improvement over the Roller, but was still a dismal failure due to the fact that it was the total opposite of the original -- slow, unwieldy, big, and stupid. In ''[[Sonic & Knuckles]]'' it was later upgraded with a much sleeker and more aggressive design, and it was also faster and able to fly. It returns as the boss of the Sky Sanctuary Zone on three different occasions. Sonic thought he had defeated it in the [[Sky Sanctuary Zone]] of [[Angel Island]], but it later reappeared and fought [[Knuckles the Echidna|Knuckles]]. Mecha Sonic got hold of the [[Master Emerald]] and attacked Knuckles as [[Super Mecha Sonic]], but, not being able to absorb the Emerald into its being, needed to constantly recharge his power. Knuckles soon managed to defeat it during these recharge lapses.
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While the original Japanese storyline chose to make Eggman's background simple, the westernized story spearheaded by Sega of America decided to make the villain of the Sonic series an evil mastermind not of his own choosing, but by a cruel twist of fate. As depicted in the [[Sonic the Hedgehog (promotional comic)|promotional comic]] written by [[Francis Mao]], the character who would be known as Dr. Robotnik was once named [[Dr. Ovi Kintobor]], a kind and friendly scientist who worked in secret in his underground laboratory. Working diligently on his latest invention called the [[R.O.C.C.|Retro-Orbital Chaos Compressor]], it was a device meant to absorb all the evil in the world in the six [[Chaos Emeralds]] housed in its center, thousands of [[Ring|rings]] keeping the entire machine in check. The friendly doctor may have worked alone for ages if not for the appearance of an unexpected visitor - [[Sonic the Hedgehog]]. Being the man he was, Kintobor welcomed the hedgehog, and showed him around his lab, telling him of the R.O.C.C. and the [[Chaos Emeralds]], and how they were the key to capturing the very essence of evil.
  
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Eggman's most successful and persistent Sonic copy to date is Metal Sonic. He made his first appearance in [[Sonic CD]] to capture Amy Rose and race Sonic on the [[Stardust Speedway]]. Unlike the previous attempts, Metal Sonic was built with a sleek form built for speed. Metal Sonic, after his first defeat at the hands of Sonic, went on to harass the [[Chaotix]], where he was able to turn into a [[Metal Sonic Kai|huge, red, Godzilla-sized version of himself]] via the [[Chaos Rings]] and wreak havoc for a while, until he was defeated once again. Since then, he's been seen around participating in any kind of racing or fighting Sonic joins in, in hopes of defeating him one day. In ''[[Sonic Heroes]]'', Metal Sonic impersonates Eggman in an attempt to copy the [[Sonic Heroes]]' DNA and finally put an end to their rivalry, once and for all.
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Time went on, and Sonic, who was depicted as being brown, became the subject of one of Kintobor's experiments. Wanting to see just how fast the hedgehog could run, he put him on a supersonic treadmill to record his speeds. As it would, the treadmill was unable to handle Sonic's top speeds, resulting in an explosion that would transform Sonic into his classic blue hue. This also prompted Kintobor to create the red and white frictionless shoes that Sonic would wear from then on.
  
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In [[Shadow the Hedgehog (game)|''Shadow the Hedgehog'']], Eggman created an army of android versions of [[Shadow the Hedgehog|the titular character]]. The design of the Shadow androids was much more similar to their source material than Metal's design was to Sonic, to the point where they were mostly indiscernible from the genuine article. Eggman attempted to use this to his advantage, claiming that Shadow himself was an android too, but later admitted to lying near the very end of the game.
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This relative peace was not to last, for one day while working over the R.O.C.C. trying to keep it stable, Kintobor asked Sonic to get him a soda pop and a hardboiled egg. Sonic got it in a flash, but due to the doctor's clumsiness, he spilled the drink, causing the R.O.C.C. to overload and all the evil to enter Kintobor. He was promptly transformed into his exact opposite, which was even reflected in his name. No longer was he Dr. Ovi Kintobor, but instead Dr. Ivo Robotnik, the most evil being on the planet [[Mobius]].
  
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Eggman has also built robot copies of other characters, such as [[Metal Knuckles]] and [[Tails Doll]].
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===Shogakukan Manga===
  
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===Eggman's bases===
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Being Dr. Eggman's first non-game related appearance, the manga ''[[Sonic the Hedgehog (manga)|Sonic the Hedgehog]]'' published by ''[[Shogaku Yonensei]]'' features the villainous doctor not obsessing over the [[Chaos Emeralds]] as a way to take over the world, but Sonic the Hedgehog himself. Aware of the legend of Sonic and how he seems to have existed for quite a while, Eggman wants to learn to harness the powers of the hedgehog and use them for his own nefarious deeds. Through a moment of spying, Eggman discovers there is some slight connection between the family of Nicky and Sonic, though he is oblivious to the fact that Nicky and Sonic are one and the same. Because of this, many of his plans either involve the area in which Nicky lives, or the capturing and similar endangerment of Nicky's family and friends, including his little sister Anita and his girlfriend [[Amy Rose]].
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Throughout the games Dr. Eggman has had several bases to plan his evil schemes. All of them were inevitably destroyed by Sonic and his allies, much to Eggman's dismay. With each game he has a new base up and running, filled to the brim with traps, enemies, and the egghead himself.
 
  
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* [[Final Egg]] (''[[Sonic Adventure]]'')
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===Sonic the Hedgehog (TV series)===
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Set in the [[Mystic Ruins]], this base was Eggman's sanctuary when the Egg Carrier was grounded. Sonic had to fight his way through several traps, spike-balls, badniks, and pitfalls. At the center of the base Eggman was ready to fight in the [[Egg Viper]], but even this didn't stop Sonic from defeating him and dismantling the place. Metal Sonic and Mecha Sonic can be seen in stasis capsules in the base.
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[[Image:JulianSnivelyBlastPast.jpg|thumb|190px|Dr. Robotnik, known only as Julian at this point, moments before the coup of Mobotropolis.]]
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While previous and future incarnations of the villain Dr. Robotnik would lean toward humor, the version present in the Saturday morning series ''[[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]]'' produced by [[DiC Entertainment]] was the polar opposite of this concept. By the time the series began, Dr. Robotnik has already ruled the planet for a decade, nearly all living things having been subjugated to the [[Roboticization]] process. Only small pockets of resistance exist on the planet, the one he cares most about being the band led by [[Princess Sally Acorn]] of [[Knothole Village]]. The reason for this is not because it is led by the daughter of the king he overthrew, but of Sonic the Hedgehog, the speedy blue force that has been able to resist and escape the dictator's every move. Robotnik's obsession with Sonic has caused most of his attention to focus on luring out and getting rid of his greatest foe, sometimes neglecting to think about the consequences of his actions, even if he is warned by his nephew [[Snively]] that his rash attacks on the mere hint of Sonic being nearby could threaten his other operations.
  
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* [[Pyramid Base]] (''[[Sonic Adventure 2]]'')
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The second season of the series went on to explain how Robotnik was able to ascend to power, once briefly being an understudy of the wizard [[Ixis Naugus|Naugus]], who was the discoverer of "[[The Void]]." Seeing the possibilities of such a locale, Robotnik betrayed the wizard, sending him into "The Void" and sealing him within. With Naugus gone, Robotnik (who was known only as Julian at this point) went on to become the War Minister for the [[House of Acorn]] during the [[Great War]]. Though the details of the war are never mentioned, he uses his position to secure his army of [[SWATbots]], and when the war is over and [[King Maximillian Acorn|the King]] declares for the army to be decommissioned, Robotnik turns on the House of Acorn and swiftly takes over the planet, using the robotocizer technology he stole from [[Uncle Chuck|Sir Charles Hedgehog]], Sonic's "Uncle Chuck."
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Eggman's new base was an ancient pyramid re-modeled with machinery and computers. This base did not have much variety in enemy types, with only E-series robots, a bomb bot, a fire bot and his robot monkeys. This base was abandoned by Eggman in favor of Space Colony ARK. This base is older than anyone could have guessed, because the pillar in the centre of the base has "E-01" near the top of it.
 
  
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* [[Space Colony ARK]] (''Sonic Adventure 2'')
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While the show never speaks on the earlier days of Robotnik, [[Ben Hurst]], the head writer of the show, says the backstory they worked with was that Robotnik was from Earth's future but [[Mobius]]' past, and in the year 2200 attempted to take over the space colony he was living in. Inadvertently destroying it instead, Robotnik and Snively narrowly escape with their lives, and are sent into the distant future where they return to Earth, only to find it has become Mobius. Thinking that he is superior to the animals that now inhabit the planet, he sets about to conquer it in any way he can.[http://www.saturdaymorningsonic.com/features/ben_hurst/]
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The ARK was Eggman's base for the rest of the game. It held the weapon of his ultimate plan: The Eclipse Cannon. But when the ARK was sent on a crash course to Earth, Eggman had no choice but to team up with Sonic and co. to stop the countdown. The ARK is also seen in the game ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]''. There are research experiments that resemble Chaos in some of the stages.
 
  
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* [[EggmanLand]] (''[[Sonic Unleashed]]'')
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It should also be noted that Dr. Robotnik's design in the show is heavily based on the design made by [[Milton Knight]] for ''[[Adventures of Sonic the Hedgehog]]'', as the two animated series were developed at the same time by DiC.
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EggmanLand is Eggman's dream come true, a hybrid city and amusement park powered using [[Dark Gaia]], set above bubbling magma. At its center is a [[Chaos Emerald]] shrine. After using it, Eggman engages Sonic in the [[Egg Dragoon]]. After defeating Dark Gaia, EggmanLand is destroyed.
 
  
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==The name game==
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===Sonic the Hedgehog (Archie comics)===
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In various continuities, Eggman has been known by several names. In the Japanese games, he has always been known simply as "Dr. Eggman". In all the Sonic games released in America and Europe up to ''[[Sonic Adventure]]'', however, he was known as '''Dr. Ivo Robotnik'''. "Robotnik" is a Polish word meaning "worker" that was the root of the word robot, first used in Rossum's Universal Robots. Coincidently, "robotnik" is also a Czech work meaning "villain".
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The history of Dr. Eggman in the ''[[Sonic the Hedgehog (Archie comics)|Sonic the Hedgehog]]'' series by Archie can be confusing to the novice, his current incarnation deeply rooted in the early days of the series. Currently there have been two main antagonists with the Dr. Robotnik name, sometimes referred to as "Robotnik I" and "Robotnik II."  
  
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[[Fleetway]]'s ''[[Sonic the Comic]]'' and other European continuities claimed that his full name was, in fact, "Dr. Ivo Robotnik", but that he had once been called "Dr. Ovi Kintobor" (Dr. Ivo Robotnik spelled backwards, and also incorporating an egg reference) before an accident made him an evil mastermind. The [[Sonic the Hedgehog (Archie)|Archie comics]] and [[SatAM]] storylines had his family surname be Kintobor, as Julian Kintobor of the House of Ivo. He rechristened himself Robotnik when he staged his coup d'etat and seized control of Mobius (although he donned the facade of a loyal and righteous being while serving [[King Acorn]], he had always been evil). In these continuities, Sonic and his friends referred to Robotnik by a number of unflattering nicknames, including "Ro-butt-nik", and sometimes just, "Butt-nik". The first name of "Ivo" might refer to DC Comics supervillain and Justice League enemy Professor Ivo, the creator of Amazo, another DC villain.
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====Dr. Robotnik I====
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[[Image:SonictheHedgehog15Archie.jpg|thumb|190px|The original Dr. Robotnik of the [[Sonic the Hedgehog (Archie comics)|Archie series]].]]
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"Robotnik I" was born Julian Kintobor of the House of Ivo. His parents were from separate parts of the planet [[Mobius]], one being part of the [[Overlanders]] tribe, the other from the surviving humans living in [[Station Square]]. Growing up with the Overlanders, he began plotting his rise to power early on, sabotaging anyone who stood in his way. One of these early causalities was his mentor, [[Nate Morgan]], who Julian conspired to have banished. With Nate gone, Julian worked within the Overlanders military operations, constructing sophisticated technology used in their war with the [[House of Acorn|Kingdom of Acorn]].
  
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In ''[[Sonic Adventure]]'', however, Sega began a process of getting the American and European gaming communities used to the Japanese name, Dr. Eggman. Initially, both names were used, and he referred to himself as Robotnik while others called him Eggman. In later games, and also in the dub of ''[[Sonic X]]'', the name Robotnik was dropped almost entirely, though it can still be found on some promotional material and in fan works. Prior to this, both names slipped occassionally in all regions. For example, ''[[Sonic the Hedgehog 2]]'''s [[Wing Fortress Zone]] and ''[[Sonic Drift 2]]'' only had Eggman, ''[[Sonic Triple Trouble]]'' had [[Robotnik Winter Zone]], and ''[[Sonic Jam]]'' had both names, as his profile was Robotnik and his statue next to Sonic said Eggman on it. This is similar to Princess Peach's name in the Mario series.
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However, it was soon discovered that Julian had been using living Overlanders to test his war machines, and the Minister of Justice, his brother [[Colin Kintobor]], tried and convicted him of his crimes. Sentenced to imprisonment, Julian managed to escape and disappeared into the [[Badlands]], where he was discovered by [[Jules Hedgehog|Jules]] and [[Uncle Chuck|Sir Charles]], [[Sonic the Hedgehog]]'s father and Uncle Chuck, respectively. Taking him back to [[King Maximillian Acorn]], Julian was welcomed with open arms once he promised to help them defeat his own people. He briefly allied himself with then-warlord [[Kodos]], who wanted to overthrow the kingdom and throw the King into the [[Zone of Silence]], but Julian used this knowledge to instead banish Kodos, positioning himself as the new warlord of the Acorn army.
  
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General consensus now is that his real name is Ivo Robotnik and his nickname (which he calls himself sometimes) is Eggman. This is supported by the fact that in the Japanese version of ''Sonic X'' his eyecatch profile card gives his name as: "ROBOTNIK (Dr. Eggman)" and also by the surname of his grandfather, Gerald Robotnik. Also, most airboards in the in the game ''[[Sonic Riders]]'' were built by "Robotnik Inc.". The name Ivo has yet to appear in Japanese games, except Sonic Jam because it had Digital Manuals in Japanese and English.
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Eventually, the House of Acorn was able to win the [[Great War]], and Julian found himself in exactly the position he wanted. While he told King Acorn he would assume the mantle of Minister of Science, he instead set into motion his own takeover of the kingdom. In the twilight days of the war, Julian had discovered that Sir Charles had been working on a machine that could turn living tissue into robotic parts, in an attempt to save lives that would otherwise be lost. The first to undergo the process of [[Roboticization]] was Sonic's father, Jules, but because of sabotage by Julian, Jules became nothing more than an android who only listened to the Overlander. Jules wife [[Bernie Hedgehog|Bernie]] was the next to undergo the process, and it was only a matter of time before he used the machine as the tool to roboticize the citizens of [[Mobotropolis]], seizing the kingdom using his [[SWATbots|SWATbot]] army and sending the king into the Zone of Silence. With this act Julian Kintobor changed his name to Dr. Ivo Robotnik, and transformed the capital into [[Robotropolis]], with only a few of its citizens able to escape from his conquest.
  
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In the Archie series, the original Dr. Robotnik (Julian Kintobor, see above) was destroyed. This Robotnik was never called Eggman. His replacement, a Robotnik from a parallel universe, has been known as Robotnik, Robotnik Mk Ⅱ, Robo-Robotnik, and Eggman. Currently he goes by Robotnik but is sometimes called Eggman. In the shows [[Adventures Of Sonic The Hedgehog]], [[SatAM]], and [[Sonic Underground]], he is known as Julian Robotnik.
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While he was able to overtake Mobotropolis as he did in the [[Sonic the Hedgehog (SatAM)|Saturday morning series]] that inspired the comic, he never had as tight a grip on the planet as his counterpart. It was shown later on that many areas of Mobius still had unroboticized beings, and these places were ruled by sub-bosses such as the [[Iron Queen]]. Also, in the earlier issues of the series, while Sonic and the [[Freedom Fighters]] fought Robotnik in an effort to save Mobius, his earlier schemes against those who dared to fight him were more comical in nature, his personality closer to the ''[[Adventures of Sonic the Hedgehog]]'' Robotnik than the Saturday morning alternative his design was based on. It was only as the series progressed that he began to act more like an evil dictator and less as a comical villain.
  
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Despite this information being stated over and over in several areas, there are still those who mistakingly believe Ivo Robotnik to be Eggman's grandfather.
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Dr. Robotnik's rule finally ended in [[Sonic the Hedgehog 050 (Archie)|issue #50]], the culmination of the "[[Sonic the Hedgehog 047 (Archie)|Endgame]]" story arc. During one final confrontation with Sonic, Robotnik attempts to set off his "Ultimate Annihilator," blind to the fact that his nephew [[Snively]] had sabotaged the machine. While Sonic was able to escape, Dr. Robotnik's particles were scattered, putting an end to the conflict that had been the focus of the series.
  
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==Contrasting stories==
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====Dr. Robotnik II====
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Several continuities emerged in the first few years that the Sonic series existed - "'''SegaSonic'''"  '''[[Adventures of Sonic the Hedgehog]]''' ('''AOSTH'''), '''[[Sonic the Comic]]''' ('''[[Fleetway]]'''), '''[[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]]''' ('''SatAM''', and '''[[Sonic the Hedgehog (Archie)|Archie]]''').  
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[[Image:Archie108p05.jpg|thumb|190px|Robotnik I and Robotnik II come face to face.]]
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After the defeat of Dr. Robotnik, the Freedom Fighters set about to rebuild Mobius, and the next few issues dealt less with action and more with restoration. However, in the build-up to [[Sonic the Hedgehog 075 (Archie)|issue #75]], a mysterious being known only as "Anonymous" began interfering with the planet, its origins traced back to a series of satellites orbiting it. When the Freedom Fighters went up to investigate, they found themselves face to face with Robo-Robotnik, an alternate version of their own Robotnik from a parallel universe.
  
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===SegaSonic===
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Back in [[Sonic the Hedgehog 019 (Archie)|issue #19]] of the series, Sonic the Hedgehog and the rest of the Knothole gang were met by a version of Sonic who was half-roboticized. This version of Sonic explained that he was from a universe that was similar to theirs, except his Robotnik was able to capture the core Freedom Fighters, forcing them to undergo the roboticization process but only transforming one side of their body. Instead of putting a stop to the resisting force, however, this physical change turned the Freedom Fighters into an unstoppable force that maintained their free will. When their version of Robotnik realized the folly of his plan and that his upheaval was imminent, he forced himself to undergo his own Roboticization process, and began a quest to find the pieces of the "Giant Borg," a device that would help him not only take over his own Mobius, but countless others. With the combined might of numerous Sonic's, Robo-Robotnik was defeated, and thought completely destroyed.
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The "'''SegaSonic'''" continuity, as it is known by fans, was created by Sega of Japan for the original game, and is generally thought of as the "official" storyline. This is mainly because of the belief that, since Sonic the Hedgehog is a Japanese creation, the Japanese storyline should be the true one. It does not have a very extensive backstory for Dr. Eggman, only that he is a mad scientist who wants to conquer Earth, and attempts to do so by enslaving the animal population in robots and trying to find the [[Chaos Emerald]]s to harness their power. This story was later developed into the current continuity used in the modern-day games. Despite the fact that the newer games have introduced a few other members of Eggman'
 
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s family, his backstory is still largely unknown.
 
  
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The Sonic mangas, the Sonic OVA (often referred to as [[Sonic the Hedgehog (Anime)|Sonic Anime]]) and the newer ''[[Sonic X]]'' anime series all (more or less) based their respective continuities on the SegaSonic continuity.
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In reality, he was able to save his consciousness, transferring it into a satellite back in his home reality and waited for the perfect time to strike. During his grand unveiling in issue #75, he explains that he was able to finally defeat his own version of Sonic, but was unsatisfied, and decided to attack the universe that had thwarted him before. While the Freedom Fighters were able to destroy his robot body, he pulled the same trick once again, and transferred his consciousness into a body made in the design of Dr. Eggman from the ''[[Sonic Adventure]]'' games. As time passed, he dropped the Robotnik moniker entirely, calling himself Dr. Eggman. While for a time he upgraded his body to possess the ability to roboticize people at his very touch, this disappeared when he was finally turned back into flesh and blood through the intervention of the [[Bem]] alien race. Once again human, Dr. Eggman continued his assault against Sonic the Hedgehog, his personality shifting closer to the games depiction with each passing issue.
  
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===AoStH===
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The two Robotnik's have met three times in the course of the series, the first being in the previously mentioned issue #19. The second was in [[Sonic the Hedgehog 022 (Archie)|issue #22]], when Robo-Robotnik saved Robotnik from certain death in the previous issue. The third and final time the duo met was in [[Sonic the Hedgehog 108 (Archie)|issue #108]], where Dr. Eggman is able to briefly put Dr. Robotnik's particles back together after the events of issue #50, the two working together in the hopes to trick the Freedom Fighters. While their final team-up resulted in a loss for both of them, the door to the original Dr. Robotnik's return has been left open.
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Next came the '''''AoStH''''' continuity, shorthand for ''[[Adventures of Sonic the Hedgehog]]'', the first Sonic animated series, which had little history for Robotnik, merely presenting him as a villain who sought to rule Mobius. Notably, the design of Robotnik in this series was wildly different from his portrayal in the games. At least once per episode, Robotnik declares his hatred of Sonic, by saying "I hate that hedgehog", usually at the end.
 
  
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In the episode "Best Hedgehog" (which was the first episode to air, but the thirteenth in production order), it was revealed that, in high school, Robotnik harbored a crush on his classmate, Lucinda, who, according to him, was the one thing he treasured most besides power. But since she was already in love with fellow classmate Lucas, his feelings were obviously unreturned. Ivo attempted to get revenge on Lucas with one of his inventions, but it failed and resulted in him being expelled. Somewhere along the line, Robotnik managed to get a doctorate degree, which he proves by way of a diploma he flaunts often. In this episode there are two flashbacks, one is Lucas' where an acne-ridden Robotnik sets a robot on Lucas and promises Lucinda money if she "went steady with him". He, however, was rejected. The second is a made up account by Robotnik told to [[Scratch]] and [[Grounder]], in which a handsomely portrayed Robotnik's feelings for Lucinda were returned. When Lucas turns up, Robotnik beats him up.
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===Sonic the Hedgehog (Troll Associates book)===
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Taking elements from the [[Sonic the Hedgehog (SatAM)|Saturday morning series]] and the [[Sonic the Hedgehog (Archie comics)|Archie comic book]], the children's novel ''[[Sonic the Hedgehog (Troll Associates book)|Sonic the Hedgehog]]'' gives Robotnik a very clear, yet puzzling origin. Being an orphan, Robotnik is taken in by [[Uncle Chuck|Charles Hedgehog]], who is called Uncle Chuck by the other orphan he is taking care of, [[Sonic the Hedgehog]]. Even though they grew up together, Sonic and Robotnik never got along, the future dictator more interested in building robots rather than having fun.
  
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Interestingly, this version of Robotnik has invented far more than all of his other incarnations put together. His flaw, though, is that all of his robots, among them Scratch and Grounder, aren't very intelligent, and as a result, they always fail in their schemes.
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Often stealing parts from Uncle Chuck's belongings, things take a turn for the worse when he steals the steering components from Uncle Chuck's tractor, right before Chuck gets on it to take it to the neighbors. The result of Uncle Chuck losing control of the tractor puts both he and Robotnik trapped between it and a tree, and Sonic is forced to rescue them. Its only later that Uncle Chuck finds out that it was Robotnik's fault, and in an effort to punish him sets off the child's wrath. Years later, Uncle Chuck is one of the first victims of Robotnik's takeover and subsequent [[roboticization]], although Sonic is able to save his uncle by the first novel's end. Unlike the material it is sourced from, it is never explained how Robotnik gathered his power or how he learned the secrets of roboticization.
  
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This is the only continuity where one of Robotnik's parents is ever seen. Mama Robotnik is usually kept under control of Mobius' local asylum, but she occasionally escapes to make a special guest appearance. She is quite a mad woman, to the point where even Ivo himself fears her.
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This origin story was also used in the original [[Sonic the Hedgehog 3 (Archie Mini-Series)|Archie mini-series]], but presented as an imaginary story; a bad dream that Sonic is thankful never actually happened.
  
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This version of Robotnik was also featured in the Genesis and Game Gear game ''[[Dr. Robotnik's Mean Bean Machine]]'' - notably, that was the only game to feature Eggman as the titular character. Robotnik's ''AoStH'' design was also used in American Sega display cases and in most European Sonic merchandise from 1994 up until the release of ''[[Sonic Adventure]]''.
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===Adventures of Sonic the Hedgehog===
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[[Image:Diplomarobotnik.png|thumb|190px|Dr. Ivo Robotnik, as interpreted by [[Milton Knight]].]]
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The Robotnik featured in ''[[Adventures of Sonic the Hedgehog]]'' is never given as clear an origin as in the other [[DiC Entertainment]] series, instead being presented as the classic villain who wants to rule the world. As emphasized by his supporting cast [[Scratch]], [[Grounder (AoStH)|Grounder]], and [[Coconuts (AoStH)|Coconuts]], his three main [[badniks]], he doesn't nearly take himself as seriously as his [[Sonic the Hedgehog (SatAM)|Saturday morning]] counterpart. His desire to rule the world is not just a blind one, however. So excited is he over the fact he exists, Dr. Robotnik looks upon the world wondering how everyone else could not be as excited as he over his existence, wanting to rule to have everyone celebrate his nature.
  
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The AoStH Robotnik's designer, Milton Knight, designed this version with the intention of making him "animation's sexiest fat man!"
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While Dr. Robotnik calls himself the ruler of [[Mobius]], it is very much in his own mind, and is never able to extend his influence beyond his own fortress. Each time he tries, he is thwarted by [[Sonic the Hedgehog]], which spawns his trademark phrase he speaks at the end of each episode, "I hate that hedgehog!" Slightly jealous of Sonic, he is confounded by Mobius' unending praise for the hedgehog, his desire for wanting to be loved and adored driving him to greater heights of villainy, waiting for the day the world will embrace him as their true leader and inspiration. He is portrayed very much as a comical foe, more so than any other version of Dr Robotnik/Dr. Eggman, his persona fitting into the world of ''Adventures of Sonic the Hedgehog''.
  
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===Fleetway===
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While his past is never fully explored, there are some instances in which parts are revealed, often just for the point of that one episode. The episode "[[Best Hedgehog]]" tells of how Robotnik, an overweight, acne-ridden teenager, had a crush on a girl named Lucinda in his high school. While he tries to win her affections, she is instead attracted to another man named Lucas. Robotnik tries to win her by attacking Lucas with one of his early inventions, but he fails, and once he becomes the Robotnik he is in the show, holds Lucas captive for decades until Sonic is able to free him.
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The '''[[Fleetway]]''' continuity originates with a short "official" storyline created by Sega of America for the original game, which was then expanded upon by the book, ''Stay Sonic'', and even further by the enduring ''[[Sonic the Comic]]'', as well as some other UK novels. As this extended continuity mainly featured in ''Sonic the Comic'', is known as the Fleetway continuity, named after the comic's publisher. However, since, for a while, StC's storyline used aspects of SegaSonic storyline such as South Island, the differences between the two blur in places. In general, however, both are based on the game series.
 
  
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Here, Doctor Robotnik (as he was consistently called, even when the Western video games switched to using the "Eggman" name) had a particularly different origin to anything from any other country. Originally, he was not Doctor Ivo Robotnik, but was Doctor Ovi Kintobor, a kindly scientist from Earth who embarked on a one-man science exploration of space, but wound up stranding himself on Mobius. The planet was a world of peace, and so he vowed to eradicate even the tiniest traces of negative energy from it. Using a machine he named the Retro-Orbital Chaos Compressor (ROCC), formed of many purifying golden rings, he slowly gathered all the negative energy on Mobius. Requiring a container for chaotic energy, Kintobor discovered emeralds that served the job very well, locating six of them. It was then that a brown hedgehog named Sonic came tumbling into his lab.
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Robotnik also has family in the show, his [[Mama Robotnik|mother]] appearing a handful of times during the run. While she looks like Robotnik in a dress, mustache and all, Dr. Robotnik is afraid of her far more than anything else, and tries desperately to hide her away in the Mobius asylum. Robotnik also makes his own robotic son, [[Robotnik Junior]], who looks like a younger version of Robotnik. Unfortunately for him, his son defects to the [[Freedom Fighters]].
  
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Kintobor quickly became friends with Sonic, and helped him to advance his speed - while testing a new invention of Kintobor's termed "Power Sneakers," Sonic ran so fast that he broke the sound barrier, and the shockwaves fused his quills and tempered his body cobalt blue. Sonic used his new speed to help search for the seventh and final emerald, which was required to stabilise the energy transfer. Their efforts were in vain, but Kintobor eventually apparently discovered a way to complete the transfer without the seventh emerald. Before the process was initiated, the pair decided to have lunch, but going to the fridge, they found only one rotten egg. With it in his hand, muttering about it, Kintobor went back to the ROCC... and tripped on a cable, falling over and slamming his hand into the machine's control panel. The ROCC exploded, bathing Kintobor - and the egg - in chaos energy, and scattering the golden rings that comprised it across the planet. As the smoke cleared, Sonic made a terrifying discovery - the chaos energy had transformed Kintobor, along with the rotten egg he had been holding. Now, he was no longer Ovi Kintobor - now, he was Ivo Robotnik.
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Important to note is that Dr. Robotnik, as he is depicted in ''Adventures of Sonic the Hedgehog'', was designed by cartoonist [[Milton Knight]]. His redesign of Robotnik was done to ensure that the doctor would be "animation's sexiest fat man!"[http://www.miltonknight.net/robotnikmodel1.html]
  
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At the start of the Fleetway continuity, Dr. Robotnik looked and acted very similarly to the SegaSonic continuity. However, just under a year into the comic's life, it was decided to change his look to match that of his "AoStH" counterpart, (as the cartoon had recently begun airing at the time in the UK). In the comic, Robotnik, in his base inside the Special Zone, encased himself in a giant egg, and hatched as the new-look Robotnik, who proved to be more sinister and more of a dictator. Towards the end of the series, in a story arc based on the "Sonic Adventure" game, Robotnik's changed outfits to match the game character's appearance (though he didn't undergo any physical transformation).
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Another thing thats important to note about this version of the doctor is the popular "Pingas" sound-clip commonly used in YouTube poops. This sound clip originates from the Boogie Mania episode, where he says to his robots "Snoo'''ping as''' usual I see", the bold text sounding like the word penis.
  
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Although his goals and actions where always evil, originally Robotnik's character was very tongue in cheek having silly characteristic (for example, replace in 'ex' with 'eggs' ("eggs-actly")). However over time his character became darker and more sinister. After achieving near-godhood at least twice and yet still being thwarted by Sonic, Robotnik fell into deep depression. His last act in the comic (before it was cancelled) would have resulted in the destruction of the planet. He had ceased to care about being its ruler and simply wanted to 'end it all' and take the rest of Mobius with him. He was again thwarted. The unofficial continuation of the comic, StC Online, depicts Robotnik as being muted and insane after years of defeat by the Freedom Fighters.
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===Sonic the Comic===
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[[Image:Robotnik-STC-3.jpg|thumb|190px|Dr. Ivo Robotnik as he appeared through most of the series.]]
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''[[Sonic the Comic]]'', the U.K. series published by [[Fleetway]], used the Westernized [[Sonic the Hedgehog (promotional comic)|origin story]] as their background, having [[Dr. Ovi Kintobor]] accidentally transform into the evil Dr. Robotnik. However, instead of having soda play a part, Kintobor trips over a cable while holding a rotten egg, causing the transformation. While Kintobor's consciousness still existed in digitized form as a computer, the villainous Robotnik soon began his plans for world domination.
  
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It is worth mentioning that this 'evil dictator' had control of planet Mobius for several years. During which he spent some of his time in the Metropolis Zone within his Citadel. Through the comic's run Robotnik did not just rely on his creations, but he also hired many bounty hunters and other 'hired help' to do his work.
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While early issues featured Robotnik in his classic game design and his dialogue full of egg puns, [[Sonic the Comic 008|issue #8]] of the series not only explained the origin in the pages of the comic but began a turn of events that would dictate the tone for the series, with Dr. Robotnik sending [[Sonic the Hedgehog|Sonic]] and and some of his closest friends forward in time. While only displaced by six months, it is more than enough time for Robotnik to succeed in taking over [[Mobius]], forcing Sonic to become more than just the foil to his schemes, but the leader of the [[Freedom Fighters]].
  
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One of his best creations was the Emperor Metallix, a large red/gold Metallix ([[Metal Sonic]]) that would work on building an army of advanced Metallix to fight against Sonic, although this Emperor did the job, he and his army turned on their master. This leads Robotnik to work on the Knuckles model Metallix. The Emporer Metallix is later revealed to be designed by Grimer, Robotnik's snivelling green subordinate, allowing the Metallix to exist in an altered timeline where Robotnik did not. However, Robotnik was responsible for the addition of a self-destruct mechanism, which he could control, in the Metallix' design, which lead to their ultimate destruction in the restored timeline.
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As the comic continued, Robotnik's personality began to shift away from a more humorous style and toward that of his [[Sonic the Hedgehog (SatAM)|Saturday morning]] counterpart. This was even reflected in his change of clothing, shunning his simple dress for the more menacing style of that Dr. Robotnik. It was [[Sonic the Comic 021|issue #21]] that Robotnik decided he needed to not only change his clothing, but his entire body, and encased himself in an egg, emerging as the ''[[Adventures of Sonic the Hedgehog]]'' styled Robotnik. He kept this form for the rest of the series, although he did change his clothes one final time in the ''[[Sonic Adventure]]'' adaptation, putting on the jacket his game counterpart had adopted.
  
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The Emperor Metallix has two origins, first being the final Metal Sonic of the game Knuckles Chaotix (his mass produced Metallix are introduced at the same time as the Chaotix Crew.) and second, (although this cannot be confirmed) based on the Master Sentinel from the X-Men comics and cartoons.
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Though created by the Chaos Emeralds, Robotnik was always on the lookout for the gems, them having been hidden by Sonic shortly after his transformation into the evil dictator. Though always looking to reclaim the six (and to discover the lost seventh gray emerald that would control the rest), each time he became close to possessing them they were pulled out of his reach, eventually all seven becoming guarded by [[Knuckles the Echidna]] on the [[Angel Island|Floating Island]]. As the series progressed, Dr. Robotnik was met with failure after failure, losing his empire in [[Sonic the Comic 100|issue #100]] and unable to ever gain it back. While there were times in the comic that he almost achieved godhood, he was always thwarted by Sonic and the Freedom Fighters, which affected him to the point of immense depression. His faithful assistant, [[Grimer]], not wanting to stand by and watch his master wither away, decided to unleash [[Perfect Chaos|Chaos]], a fear-based water creature, in the hopes of defeating Sonic and reclaiming Mobius. While at first it looks as though Robotnik is reinspired by these events, in actuality he cares for nothing anymore, and wants to end it all, even if it means the planet goes down with him.
  
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Robotnik also created an advanced badnik called [[Commander Brutus]] to share command of his empire. Brutus had a copy of Robotnik's own brain patterns and eventually built a hidden army and turned on Robotnik after turning Amy Rose and Johnny Lightfoot into Cyberniks, a more advanced version of the badnik (as in Shortfuse the Cybernik).
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One last thing to note is that during the course of the series, the [[Metal Sonic]]-based Metallix went back in time to prevent the creation of Robotnik, as in an alternate timeline they still existed because it was Robotnik's assistant Grimer who designed them, Robotnik only adding a self-destruct mechanism. Because of this, Sonic was forced to go back in time and make sure that Kintobor would trip over the wire and cause his transformation, thereby creating his greatest foe.
  
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From those points Robotnik learned to never give command to anyone and made sure he controlled everything. This increased greed could have contributed to his eventual loss of his empire. His empire crumbled when an electromagnetic pulse disabled the bulk of his army, leaving him helpless.
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<gallery>
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File:Robotnik-STC-1.jpg|Dr. Robotnik's first appearance in the comic.
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File:Robotnik-STC-2.jpg|Robotnik's brief second outfit.
 +
File:Robotnik-STC-4.jpg|Robotnik as he appeared in the ''Sonic Adventure'' adaptation.
 +
</gallery>
  
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===SatAM===
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===Sonic the Hedgehog (Anime)===
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The last continuity began with the [[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]] cartoon, which is known as '''SatAM''' due to its original airing time (''Sat''urday ''AM''). Vastly different from the SegaSonic and Fleetway continuities, the only characters used from the original story are Sonic, Tails and Dr. Robotnik. Unlike his other incarnations, the SatAM Robotnik is by no means a mad scientist plotting world domination. In contrast, he is a malevolent dictator who has already conquered most of the planet Mobius. What we know of his history is revealed mostly in the second season, especially when Sonic and Sally travel back to the past. His name was Julian, and the earliest detail we know about him is that he was an assistant for Naugus, the wizard who discovered the limited dimension known as the Void. Julian betrayed Naugus and trapped him within the Void. Later, he headed up the Ministry of War in King Acorn's regime, and was instrumental in winning the Great War for the monarchy (the Great War is not explained any further than that). King Acorn allowed Julian to dismantle the military - from Acorn's perspective, this was presumably because the War's finale no longer necessitated it, while Julian's main motive was obviously to set up a coup. Additionally, he stole the plans for the Roboticizer from Sir Charles Hedgehog, Sonic's uncle. Robotnik's coup culminated in his banishment of Acorn to the Void, and his roboticization of 85% of the Mobian population in Mobotropolis. In the show's final episode entitled, The Doomsday project, Sonic and Sally used the Deep Power Stones to become super and destroy Robotnik's title building, causing Robotnik to flee in his hovercraft. But as the building exploded, Robotnik disappeared without a trace.
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[[Image:DrEggmanSaraOVA.jpg|thumb|190px|Dr. Eggman and Sara clad in wedding attire.]]
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Produced under the supervision of [[Sonic Team]], the [[Sonic the Hedgehog (Anime)|two part OVA]] featured a Dr. Eggman who was closer to his game counterpart compared to any that had come before. While he is the ruler of [[Eggmanland]], it is a city that is below where most of the inhabitants of [[Planet Freedom]] live, built on the outskirts of what was once New York City. He is both cunning and charismatic, yet still childish, easily falling for the whims of the [[President of South Island|President]]'s daughter, [[Sara]].
  
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Due to the role he plays in the series, this Robotnik was given a sinister design to distinguish him from the often comical appearance of his counterparts. While other versions of this character often go after Sonic themselves, this Robotnik directs his forces from a command chair while petting his robotic pet bird, Cluck (seen only in Season 1). SatAM Robotnik seems to have many things in common with the Baron Harkonnen from the book and movie series Dune, including the descriptions of his SWATbot hover units as well as his own personal ability to levitate (Seen in one episode of Season 1 and the last episodes of Season 2). Whether or not this is coincidence, the similarities often make this version of Robotnik an intimidating and fierce character. The cartoon ended after two 13-episode seasons, but the characters continued to appear in the American comic book series based on it, produced by Archie Comics, which developed its own continuity.
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While [[Sonic the Hedgehog|Sonic]] doesn't necessarily believe Eggman's story about Eggmanland being overtaken by [[Black Eggman]], he and [[Miles "Tails" Prower]] venture into the heart of Eggman's empire, prepared to save the world from whatever may get in their way. It doesn't take long for Sonic's suspicions to be confirmed that Eggman was involved from the beginning, the entire expenditure merely a ploy to allow his latest creation [[Hyper Metal Sonic]] to be complete, the robot needing Sonic's life data to become fully operational. While Eggman wishes to rule as his game counterpart, he has no qualms with what he plans to do with Hyper Metal Sonic - destroy that which keeps the [[Land of the Sky]] afloat, leaving only the [[Land of Darkness]] and Eggman's empire.
  
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===Archie Comics===
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Also, throughout the anime, it is revealed that Eggman is not holding the President's daughter hostage to have a bargaining chip to let his plans go into motion, but because he is enamored with her. He fully intends on marrying Sara once Planet Freedom's Land of the Sky shatters, and have a fleet of children with her.
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In this universe, Dr. Robotnik begins his existence as Julian Kintobor of the House of Ivo, the son of a human-like Overlander and a human from the city of [[Station Square]]. He studied under the genius scientist, Dr. Nate Morgan for an extended period of time. Once his mentor passed unto him everything he knew, Julian conspired against Morgan and had him banished. During the breakout of the Great War, he worked as a high-profile weapons engineer for the Overlander armies, brainstorming the most sophisticated military hardware in history. Due to his engineering prowess, the Overlanders nearly pushed their Mobian adversaries to the brink of defeat. However, Julian's methods were put into question when it was revealed that he utilized live Overlander test subjects to evaluate his destructive brainchildren. He was tried in court by his brother Colin in response to this revelation, and was presumably sentenced to either death or life imprisonment. Regardless of the verdict, the court rulings did not bode well with his plans for the future; and he eventually escaped confinement. After barely evading law enforcement officers, he made it to the Mobian border and found himself welcomed by the Kingdom of Acorn. Swearing allegiance, he vows to contribute his inside knowledge on their enemy. The Kingdom's Warlord, Kodos, took the man under his wing - only to suffer the same fate as Morgan. After Kodos "disappeared", Julian assumed the mantle of Warlord.  
 
  
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After defeating the Overlanders in the Great War, he (like his SatAM counterpart) used Charles' invention, the roboticizer, to his own twisted ends. After sabotaging it to turn Sonic's father Jules into a drone, he conspired to have Sonic's mother, Bernie, roboticized, and soon Tails' father Amadeus followed. His plotting culminated with a successful coup to usurp power over all royal territories. Adopting the sinister moniker of Dr. Robotnik, he transfiguring the once beautiful capital city of [[Mobotropolis]] into an industrial wasteland he dubbed Robotropolis. Once his power over the Mobian regions was secure, the tyrant then focused his attention on consolidating the rest of the planet. Soon enough, he had nearly all of Mobius under his thumb; only a select few locations were kept hidden from his all-encompassing power. He would continue to rule Mobius with an iron fist, with his loyal henchman Crabmeat, and his wayward nephew, Snively. As time went on, Robotnik disseminated various regional governors across the planet called "Underbosses" to enforce his will and to lead campaigns against local dissenters.  
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===Sonic Underground===
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The final of the three [[DiC Entertainment]] ''Sonic'' productions, ''[[Sonic Underground]]'' once again returns to the Dr. Robotnik design from the previous show, ''[[Sonic the Hedgehog (SatAM)|Sonic the Hedgehog]]''. While his origin is also similar in the sense that Robotnik overthrew the original ruler of the planet, the ruling monarch at the time was [[Queen Aleena Hedgehog]], mother of [[Sonic the Hedgehog|Sonic]] and his two siblings, [[Sonia the Hedgehog|Sonia]] and [[Manic the Hedgehog]]. Although he does overthrow her, she is able to escape, and protect her children from his grasp. Hiding her three children with separate foster parents, Dr. Robotnik takes the opportunity of the missing monarchy to secure his place as the ruler of [[Mobius]]. While he does have the capability to [[Roboticization|roboticize]] anyone, the mad dictator restrains himself from transforming every living thing on the planet, choosing only to make examples of those who oppose him. Along with his sidekicks, the bounty hunters [[Sleet]] and [[Dingo]], Robotnik spends his time making sure he is the undisputed ruler of Mobius, continually seeking out Queen Aleena and her three children, most of all Sonic, to make sure the prophecy of his downfall never comes to pass.
  
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With the Overlanders forced into hiding by Robotnik's armies of SWATbots, his reign continued to last undisputed. Things changed however, when he found resistance in the form of burgeoning rebel cells calling themselves "Freedom Fighters", particularly in the Knothole group led by the King's daughter Princess Sally, and championed by a now grown Sonic the Hedgehog. He continually attempted to crush the resistance for 50 issues, until the four-issue "EndGame" story, where, in addition to trying to have Sally killed and Sonic framed for the murder, discovered the location of Knothole, held the Freedom Fighers at gunpoint, and planned to unleash a weapon called the "Ultimate Annihilator" (In later issues it is referred to as the "Ultimate Nullifier"), a powerful weapon that could warp reality itself. Decisive victory was at hand for the dictator; it appeared as if all of hope for Mobius was lost. Unfortunately for Robotnik, Snively tampered with his ultimate weapon, and after grueling final battle with Sonic, Julian Ivo Robotnik was supposedly killed when the weapon backfired.  
+
The character of Robotnik also has a bit more emphasis on maintaining some form of the old order, leaving the nobility of the planet alone for the most part, as long as they pay him tribute and allow him to be the ruler. This alone shows that he is not as strict a dictator as in the Saturday morning series, and is slightly more interested in being adored by the public.
  
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It was later discovered that Robotnik survived, trapped in a dimensional void (different from the Zone of Silence or "the Void") of nonexistance. He returned temporarily with the help of a device invented by Eggman, and soon formulated a plot with his contemporary to reverse the process with Sonic and his comrades. He tricked his former enemies in Knothole Village into thinking he had escape the clutches of Eggman (who he claimed resurrected him to steal his memories). King Acorn went along with the scheme, but it was revealed that the Freedom Fighters only granted him amnesty in an attempt to sabotoge the device that brought him back. His return was cut short in a quarrel with Eggman after it was determined that his existence on this plane of reality was limited. Unfortunately for Robotnik, the machine was since destroyed. Nevertheless, that does not mean the dreaded despot will be gone for good.
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===Sonic X===
 +
[[Image:Decoe bocoe.jpg|thumb|190px|Dr. Eggman along with his constant companions [[Decoe]] and [[Bocoe]].]]
 +
The second, and for the moment last, animated series produced under the supervision of [[Sonic Team]], ''[[Sonic X]]'' keeps Dr. Eggman close to his gaming counterpart, desiring the [[Chaos Emeralds]] and going head to head with [[Sonic the Hedgehog]]. Although he had already succeeded in getting the seven Chaos Emeralds in the beginning of the first episode, the machine that he has them connected to causes [[Chaos Control]] to occur, transporting the main cast and those nearby to an alternate dimension, and to planet Earth.
  
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Prior to the "EndGame" storyline, a Robotnik from another universe appeared, calling himself "Robo-Robotnik." In his univers
+
Discovering himself in unfamiliar territory, Eggman immediately begins the same tricks that he started on their home planet, causing chaos and confusion in the heart of [[Station Square]]. Assisted by his robot assistants [[Bocoe and Decoe]], the mad doctor begins looking for the Chaos Emeralds in a very monster-of-the-week fashion, sending one of his [[E-Series]] robots at random each episode. His plans later evolve, however, after his next successful attempt at gathering the seven Chaos Emeralds, kidnapping [[Chris Thorndyke]] and attempting to defeat Sonic on this strange new world once and for all. Though he is thwarted by [[Super Sonic]], the events of this mid-season finale lay out the more sophisticated plans of Eggman to come into motion, the series adapting ''[[Sonic Adventure]]'' and ''[[Sonic Adventure 2|Adventure 2]]'' with some slight alterations. Among them is the revelation that the planet Earth Sonic and the gang were transported to in the first episode is actually the planet Eggman was born on, the information being revealed when Eggman learns of his [[Professor Gerald Robotnik|grandfather]] having lived and worked on "[[Project Shadow]]" for this planet's government. Somehow being transported to Sonic's world, the knowledge refuses to deter the genius scientist from his lofty goals of conquest.
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e, in addition to transforming Sonic and his cohorts into nightmarish cyborgs, he roboticized himself, making himself more powerful. In addition to using a variation of SWATBots known as Shadow Bots (ironically, they were defeated by Robotnik Prime's forces), he sought a legendary weapon called the Giant Borg.  He temporarily gained its power, until he was struck down by the force of thousands of multi-dimensional Sonics.  The destruction of his weapon seemingly destroyed him, leaving him nothing more than a head — or so everyone thought.
 
  
−
Robo-Robotnik would live on, by transferring his consciousness to a space station in his dimension (which is either a plot error or his dimension somehow changed because he was originally from a cyborg Mobius, not the future one).  After encountering the temporarily displaced original Robotnik, he decided to "get back in the game" as it were, and supposedly eliminated his version of Sonic along with the royal family. Feeling dissatisfied, he conspired to return to Sonic's dimension, and after a series of manipulations over several issues, he revealed himself after capturing all the Robians on Mobius. This plan to destroy Sonic failed, though he succeeded in conquering Robotropolis and controlling many of the Robians on Mobius (though he would later lose them). However, his body was destroyed, and he uploaded into a new form based on that of the character's current video-game based design, giving birth to Eggman (though he would still be called Robotnik half of the time in an attempt not to confuse readers).
+
All in all, however, Eggman seems to treat his encounters with Sonic not strictly as fights over the planet, but more akin to the friendly rivalry aspects that are hinted at in the games. Though there can be moments quite intense where Eggman wants nothing more than to destroy Sonic, more often than not he just wants to prove himself the better person. This reasoning for why Eggman does what he does is expanded further on in the [[Sonic X (Archie comics)|comic series]] based on the show. Published by [[Archie Comics]], a handful of issues feature Dr. Eggman taking on the moniker of wrestling sensation El Gran Gordo, a persona that allows Eggman to enjoy not only the sensation of winning, but also of being adored by the masses.
  
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The series continued, and after his body was destroyed numerous times, he found himself, Snively (who had by that point been roboticized), Sonic, and Tails captured by an alien race known as the BEM. Eggman and Snively were transformed back into humans (or Overlanders), and forced to battle for their lives against a roboticized Sonic and Tails in order to prove whether or not flesh was superior to metal. They were returned to Mobius without being changed back, and have remained so ever since.
+
==Miscellaneous==
 +
*Although never confirmed, it is speculated that Dr. Eggman's name was inspired by The Beatles' classic tune "[http://en.wikipedia.org/wiki/I_Am_The_Walrus I am the Walrus]." The song featuring the lyrics "I am the egg man/They are the egg men/I am the Walrus/Goo goo g'joob." Also, Eggman's theme in the later games ("E.G.G.M.A.N") makes references to I Am the Walrus, especially the line "I am the Eggman. It's what I am". It is also because of this possible connection that Sega of America may have wanted to change Dr. Eggman's name, in the fear of being sued by The Beatles' label Apple for copyright infringement.
  
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After the Xorda, an alien race that had attacked Mobius in the ancient past when it was still known as "Earth", attacked the planet again, Sonic was lost in space. This granted Eggman the opportunity to spread his power base, and conquered small portions of Mobius, thereby creating the "Eggman Empire." His robot legions are controlled by a sentient computer named ADAM, and he has a robotic "daughter" named Mecha (or "M" for short). He also changed his main base of operations from the nuclear wasteland of Robotropolis (after being tricked into lowering the shields, nuclear missiles infiltrated the city and irradiated the area) to New Megapolis (Ironically Old Megapolis is New York City)
+
*A potential macrocycle inhibitor of the gene Sonic hedgehog was discovered by a Harvard University research team, who decided to name it "Robotnikinin." They felt that since the original had been named after the video game character, they should "adhere to the convention" and name the newly discovered compound after his archenemy.[http://www.biotechnews.com.au/article/273516/robotnikinin_takes_sonic_hedgehog?fp=4&fpid=1013]
  
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Robo-Robotnik has supposedly taken the original Robotnik's place on Mobius Prime for the time being, but his power over Mobius has diminished to significantly less than that of the world's former autocrat. Although originally a similar alternate reality Robotnik, the character of Eggman has evolved to the point where there are considerable differences between the two. Incidentally, while Robotnik Prime became more and more like his SatAM self as the comic progressed, Eggman (Robo-Robotnik)has grown to act very similar to his game counterpart.
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*While Dr. Eggman has always been the name of the character in Japan, in localization for western markets it was decided to name the character Dr. Ivo Robotnik. The name was conceived by [[Dean Sitton]], who was working for Sega of America's helpline at the time. Once development for ''[[Sonic Adventure]]'' was well underway, the three main branches of [[Sega]] decided to discontinue the western story involving [[Dr. Ovi Kintobor|Kintobor]], focusing solely on the Japanese story now that the game relied heavily on plot, allowing the localization process to be easier. Instead of casting aside his western name, the Robotnik name was incorporated into the game canon, with Eggman's grandfather Professor Gerald Robotnik having the same last name in all versions of the game, making it the first time a Sonic Team production used the surname in Japan. Even so, most modern games have exclusively stuck to the Dr. Eggman name, entries such as ''[[Sonic Chronicles: The Dark Brotherhood]]'' and ''[[Sonic Generations]]'' being rare exceptions.
  
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Robotnik's name is a reversal of his family's surname (Kintobor -> Robotnik). After conquering Mobius he adopted the sinister moniker of "Robotnik" to differentiate himself from his past.  He has several relatives - Snively, his nephew, being one of them. There is also his brother, Colin (who was roboticized and then later destroyed), and Snively's half-sister, Hope Kintobor. Finally, from Station Square, there is his deceased grandfather and cousin, Gerald and Maria Kintobor - just as in the games. Hope greatly resembles Maria, and currently lives with the Freedom Fighters in the newly christened Kingdom of Knothole.
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*Dr. Eggman's only headlining role in a game was ''[[Dr. Robotnik's Mean Bean Machine]]'', a western adaptation of the original ''[[sega:Puyo Puyo|Puyo Puyo]]'' puzzle game released in Japan. The game's look and feel was based on the ''[[Adventures of Sonic the Hedgehog]]'' animated series, and used [[Milton Knight]]'s design of Robotnik. It is interesting to note that this design of Robotnik was subsequently used in official merchandising and advertising for the games, especially in Europe. The most notable of these changes occurred on the ''[[Sonic Spinball]]'' boxart, in which the [[Mega Drive]] version featured the [http://info.sonicretro.org/File:Spinball-box-us.jpg Americanized version] of the Japanese art, while the [[Sonic Spinball (8-bit)|downgraded port]] for the [[Master System]] and [[Game Gear]] had the [http://info.sonicretro.org/File:Spinballgg-box-us.jpg Milton Knight design].
  
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Robo-Robotnik is not the only alternate version of Robotnik. Another version features Robotnik as a planet eater with the powers of [[Galactus]]. There
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==Appearances==
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is also Ivana Robotnik, a female counterpart from a ''Sailor Moon''-style Mobius. Ivana comes to Mobius Prime looking to monsterize Sonic, but is thwarted by Sally Moon and Tuxedo Knux. Other Robotniks include the benevolent version in the Giant Robotno zone, and the good Dr. Kintobor on the Anti-Mobius.
 
  
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===Sonic Underground===
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===Video Games===
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Like the Robotnik of SatAM and Robotnik Prime of the Archie continuity, SU's Dr. Robotnik has already taken over most of Mobius. Like his counterpart, this Robotnik's greatest nemesis is Sonic the Hedgehog. However, he must also contend with Sonic's siblings, Sonia and Manic. Other than that, SU's Robotnik has a history much like that of SatAM's, including deposing the rightful ruler (SatAM's [[King Acorn]], SU's [[Queen Aleena Hedgehog]]). Additionally, this version of Robotnik has the same design as the SatAM Robotnik, but wears a red cape rather than a yellow one. Even his voice was different, performed by Gary Chalk who played Grounder from Adventures of Sonic the Hedgehog. Instead of Snively, who was not in the series, Robotnik's assistants were two canine bounty hunters named Sleet and Dingo.
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See [[Games featuring Sonic the Hedgehog]]. Being the main antagonist, he is in nearly every game on this list with the exceptions of ''[[Sonic and the Black Knight]]'' and the two [[Miles "Tails" Prower|"Tails"]]-only [[Game Gear]] games.
  
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==Modern day==
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===Television Series and Film===
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Following ''[[Sonic Adventure]]'', Eggman's role has often been shared by the influence of other enemies. Additionally, Eggman has often been betrayed by his own allies and has sometimes even aided Sonic once his plans have spiraled out of control. In this way, Eggman is rarely the final boss of the Sonic games.
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* ''[[Adventures of Sonic the Hedgehog]]'' (AoStH, US) 
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* In ''Sonic Adventure'' (later released as ''Sonic Adventure DX Director's Cut'' for the GameCube), his ally throughout the game, Chaos, who becomes Perfect Chaos after consuming all seven [[Chaos Emeralds]], turns on him and destroys the ''Egg Carrier 2'' shortly before the final battle, in which Sonic defeats Chaos as Eggman flees.
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* ''[[Sonic the Hedgehog (SatAM)|Sonic the Hedgehog]]'' (SatAM, US) 
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* In ''[[Sonic Adventure 2]]'' (later released as ''Sonic Adventure 2: Battle''), Eggman aids Sonic in order to save himself and the Earth from destruction by stopping the ARK's crash course and the [[Biolizard]], the creation of [[Gerald Robotnik|his grandfather]]. He is also one of the six playable characters.
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* ''[[Sonic Underground]]'' (US, France)  
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* In ''[[Sonic Battle]]'', Eggman intends to use the robot [[Emerl]] for his own purposes after he finds out what it can do, but Emerl joins Sonic instead. Eventually, however, Emerl becomes evil and self-destructs after a final battle with Sonic.
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* ''[[Sonic the Hedgehog (Anime)|Sonic the Hedgehog]]'' (Anime, Japan)
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* In ''[[Sonic Heroes]]'', he is captured by his own creation, [[Metal Sonic]], who then disguises himself as Eggman in order to complete his own evil plan. Eggman offers little aid (except with the [[Chaotix]]), but encourages the heroes to defeat Metal Sonic.
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* ''[[Sonic X]]'' (Anime, Japan)
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* In ''[[Sonic Advance 3]]'', Eggman builds the robot [[Gemerl]] out of Emerl's remains, but Gemerl turns on Eggman, who teams up with [[Super Sonic]] to defeat Gemerl.
 
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* In ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'', Eggman is a featured character but is either an ally or an enemy based upon the player's choice. Although he commits some minor villainous acts (such as stealing rings from around the world as Tails mentions in Circus Park), his main goal in the game is actually to ''protect'' the world from Black Arms so that the planet he hopes to take over won't be destroyed. He is, in addition, the only ally who is both a Hero and Dark character, the former only in stages where both he and Black Arms are involved. His status as a comic relief and secondary villain are made far more obivious, the former due to [[Mike Pollock]]'s take on the character and the latter due to the fact that the [[Black Arms]] are clearly shown as being the game's main villains right at the start. In three of the game's endings, it is implied that Shadow kills Eggman. However, he is present during the Last Story. When Eggman aids the player, he appears as a floating screen with his face on it.
 
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* In ''[[Sonic Rush]]'', Eggman encounters another version of himself from another dimension, [[Eggman Nega]]. Eggman Nega is crueler and calculating, however the two work side by side to achieve their unanimous goal of creating a multi-dimensional Eggman Land. This is, as a result, one of Eggman's rare modern-day appearances as the final enemy, in which he is not overthrown by a bigger threat at the last minute due to betrayal ([[Chaos]], [[Metal Sonic]], [[Gemerl]], [[Dark Gaia]]) or outside forces ([[Biolizard]], [[Black Arms]]).
 
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* Dr. Eggman also plays a part in ''[[Sonic Riders]]''. He hires the [[Babylon Rogues]] to race against Sonic and friends in a racing tournament. Eggman is also an active competitor in this tournament, and is one of the relatively few racers to not use a hoverboard (he uses an air bike instead).
 
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* In ''[[Sonic Unleashed]]'', Eggman awakens [[Dark Gaia]] to use it to build EggmanLand. At the end of the game, it betrays him, and Sonic and [[Chip]] must destroy it. Unlike in many cases, Eggman does not assist against it.
 
  
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[[Sega]] has admitted to this trend, and has explained that Eggman has actually become less evil and is now somewhat fond of Sonic, treating him as a ''rival'' rather than an enemy. This idea has often been expressed in ''[[Sonic X]]'' also.
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===Comic Books===
 +
* ''[[Sonic the Hedgehog Story Comic]]'' ([[Softbank Publishing]], Japan)
 +
* ''[[Sonic the Hedgehog (manga)|Sonic the Hedgehog]]'' ([[Shogakukan]], Japan)
 +
* ''[[Sonic the Hedgehog (Archie)|Sonic the Hedgehog]]'' ([[Archie Comics]], US)
 +
* ''[[Sonic the Comic]]'' ([[Fleetway]], UK)
 +
* ''[[Sonic the Hedgehog (Sirene)|Sonic Adventures]]'' ([[La Sirène Sources]], France)
 +
* ''[[Sonic X (Archie comics)|Sonic X]]'' ([[Archie Comics]], US)
 +
* ''[[Dash & Spin]]'' ([[Shogakukan]], Japan)
  
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==Trivia==
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===Game Books and Novels===
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*In ''Sonic Adventure 2'', Eggman stopped referring to himself by his U.S. name, Dr. Robotnik (though "Eggman" was introduced in the U.S. in ''Sonic Adventure'' by Sonic as a nickname). Ironically, the same game introduced Dr. Eggman's relatives, [[Gerald Robotnik|Gerald]] and [[Maria Robotnik]], whose last names are "Robotnik" even in the Japanese version. It's been suggested that Robotnik was dropped as his main name because of his [[E.G.G.M.A.N.|theme song]] as well as lip-flap issues. Still, to this day, many U.S. fans still refer to him as "Dr. Robotnik". He recently started referring to himself as "Doctor Robotnik" again in ''[[Sonic Chronicles: The Dark Brotherhood]]''.
+
See [[Books Featuring Sonic the Hedgehog]]. As Dr. Eggman is the main antagonist of the series, he is featured in every book on this list.
  
 
==Theme Songs==
 
==Theme Songs==
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*In the SegaWorld stage show "Sonic in Sydney", Robotnik has a song called "Give Me Chaos."
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*[[Sonic Live in Sydney|Give Me Chaos]]
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*In ''AoStH'' a whimsical harpsichord played a series of iconic notes for scenes depicting Robotnik.
+
*[[Sonic Adventure Original Sound Track|Theme of "Dr.EGGMAN" (''Sonic Adventure'')]]
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*In the first season of SatAM, Michael Tavera composed an orchestral piece with sweeping strings and a harsh piano to represent the dictator.
+
*[[E.G.G.M.A.N.]]
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*In ''Sonic Adventure'', Eggman's theme song is simply named "Theme of Dr. Eggman".
+
*[[Sonic the Hedgehog Original Soundtrack|Theme of "Dr.EGGMAN" (''Sonic 2006'')]]
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*In ''Sonic Adventure 2'', it is "E.G.G.M.A.N." by Paul Shortino
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Boss themes and other various pieces of music can also be considered as themes for Dr. Eggman, although not marked explicitly as such.
−
*In ''Shadow the Hedgehog'', "event 3", a remix of "E.G.G.M.A.N." is his theme.
 
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*In ''Sonic Riders'', Eggman's theme is a guitar riff called "Eggman Again!"
 
  
 
==Voice Actors==
 
==Voice Actors==
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He has been the primary antagonist in all of Sonic's cartoons, each with a different voice:
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* [[Masaharu Satou]] (''[[SegaSonic the Hedgehog]]'')
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* [[Long John Baldry]] (''[[Adventures of Sonic the Hedgehog]]'')
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* [[Adventures of Sonic the Hedgehog]] - [[Long John Baldry]] ([[Jim Cummings]] in the pilot episode)
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* [[Jim Cummings]] (''[[Sonic the Hedgehog (SatAM)|Sonic the Hedgehog]]'', ''[[Adventures of Sonic the Hedgehog (pilot)]]'')
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* [[Sonic the Hedgehog (SatAM)]] - [[Jim Cummings]]
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* Ginzo Matsuo (''[[Sonic the Hedgehog (SatAM)|Sonic the Hedgehog]]'' - Japanese)
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* [[Sonic Underground]] (US, France) - [[Gary Chalk]]
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* [[Gary Chalk]] (''[[Sonic Underground]]'')
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* [[Sonic the Hedgehog (Anime)|Sonic the Hedgehog (Anime]], Japan) - [[Edwin Neal]]
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* [[Junpei Takiguchi]] (''[[Sonic the Hedgehog (Anime)]]'' - Japanese)
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* Video Game series (''[[Sonic Adventure]]'' onward) - [[Chikao Otsuka]] (Japan), [[Deem Bristow]] (US; died 1/15/05 [http://rotfw.fireball20xl.com/docs/deem.txt]), [[Mike Pollock]] (US)
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* [[Edwin Neal]] (''[[Sonic the Hedgehog (Anime)]]'' - English)
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* [[Sonic X]] - Chikao Otsuka (Japan), [[Mike Pollock]] (US)
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* [[Chikao Otsuka]] (Japanese game voice (1998-Present), plus ''[[Sonic X]]'')
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* [[Deem Bristow]] (English game voice (1998-2004))
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* [[Mike Pollock]] (English game voice (2005-Present), plus ''[[Sonic X]]'')
  
  
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[[Category:Characters]]
 
[[Category:Characters]]
  
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[[Category:Archie Characters]]
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[[Category:Sonic the Hedgehog (Archie) characters]]
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[[Category:Sonic the Hedgehog (SatAM) Characters|Dr. Julian Robotnik]]
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[[Category:Sonic the Hedgehog (TV series) characters|Dr. Julian Robotnik]]

Revision as of 19:29, 25 June 2013

Template:CharacterSheet

"Robotnik" redirects here. For other characters featuring the surname, please see Gerald Robotnik (Dr. Eggman's grandfather) or Maria Robotnik (Dr. Eggman's cousin).

Dr. Eggman, also known as Dr. Ivo Robotnik, is the main antagonist of the Sonic the Hedgehog series of games and related media. Introduced along with the title character in 1991, he has been featured in nearly every Sonic the Hedgehog title since. Originally set up as the primary villain, the character has occasionally been usurped by various forces beyond his control, but in every instance this occurs he remains one of the central figures, his quest for the "Eggman Empire" a never-ending dream.

Character Conception

File:S1concept-eggman.jpg
The earliest known drawing of Dr. Eggman.
Eggman's realistic design in Sonic '06.

At the dawn of the 16-bit gaming wars, Sega had resolved that they would do whatever was in their power to topple the gaming giant Nintendo, and sought to create a franchise that would rival the Super Mario Bros. games. While it was Naoto Ohshima's design of Sonic the Hedgehog that won the internal competition for corporate mascot, it was only one of many designs he had come up with for Sega. One of the other designs that had been considered in the final deliberations, but was ultimately passed up on, was a roundish, mustached man in pajamas. Bearing a striking resemblance to the 26th President of the United States Theodore Roosevelt, Ohshima and the rest of the development team didn't want to discard the design, feeling there was still potential even if the character wasn't to be the star. Sega's AM8 division (which would eventually christen itself "Sonic Team") decided to redesign the look of the character, repurposing him as a villain to be used in the game. While early concept art for Sonic the Hedgehog shows a bee-like Eggman originally as one of many enemies, as the development for the game progressed, the original Sonic Team decided to drop the other characters and focus on the Sonic and Eggman dynamic, making Dr. Eggman the primary antagonist of the game, and subsequently the sequels that were to follow.

Dr. Eggman's finalized design was an extremely simplified version of his earliest sketch, losing the bulky look of his pajamas and gaining a more primary color scheme of red, black and yellow. This was done in an effort to differentiate the two characters in the game, and place emphasis on the subtle nature/technology dynamic the two represented. His simple design was also done so that young children would be able to draw him easily.[1]

When the Sonic characters were revisited for production on Sonic Adventure, Dr. Eggman was originally meant to look more or less the same as he did in the classic games, receiving small alterations similar to what Sonic, Miles "Tails" Prower, and Knuckles the Echidna gained. However, Yuji Uekawa, the man in charge of the redesign process, ultimately decided to drastically change the look of the character. While maintaining the red and black color scheme, his wardrobe was completely revamped, his egg-shaped body also becoming slightly less pronounced, giving him a more realistic proportion. This was taken a step further in Sonic the Hedgehog 2006 when he was redesigned once more to match the realistic humans in the game. However, this even more extreme redesign was only used once, the Sonic Adventure design returning in later console releases such as Sonic Unleashed.

Dr. Eggman (Video Game)

Origin of Dr. Eggman

File:Classic eggman orthographic.svg The grandson of Professor Gerald Robotnik, Dr. Eggman was born as Ivo Robotnik. While much of his past remains a mystery, it is known that in his early years Eggman looked up to his grandfather, hoping to one day be as great a scientist as Gerald ever was. However, since Eggman's age is unknown, it can not be stated if he looked up to him because he knew his grandfather before the unfortunate incident that befell the Space Colony ARK, or only by stories that he heard from his family. Likewise, whether or not Eggman ever knew his terminally-ill cousin Maria and the importance she held for their grandfather is also unknown, an issue likely to never be addressed.

It was later on in life that Dr. Robotnik would meet his long-time rival and arch-nemesis Sonic the Hedgehog. It is unknown how long they knew each other before the events chronicled in Sonic the Hedgehog, but it is known that it was these occasions where Dr. Robotnik gained the nickname "Eggman" from Sonic. Instead of being angry, Robotnik decided to adopt the nickname as his own, calling himself "Dr. Eggman" and pasting the name on everything belonging to him, such as the Wing Fortress he used in Sonic the Hedgehog 2. Embracing his Eggman persona, he tires endlessly to achieve his ultimate goal - the establishment of the Eggman Empire.

Personality and Traits

Dr. Eggman's profile from Sonic Jam.
The original unveiling of Dr. Eggman's redesign. From Sonic Adventure.

Dr. Eggman is a male human, whose age is currently unknown. With a recorded IQ of 300 (though it may possibly be greater), he is one of the most intelligent beings on the planet Earth, as proven by his mastery in robotics and its related fields. While he could be anything, Dr. Eggman has set his sights on the highest prize of them all - global domination. Dreaming of the day he will be able to erect Eggmanland, Eggman tires endlessly at accomplishing this, though his plans are foiled time and again by the blue blur himself, Sonic the Hedgehog.

Although he wants to rule the world, his desires are not for total destruction but instead to have the world focus on him and his image. This desire for recognition is not necessarily evil, but the ways he has gone about it can only be interpreted as such. Even with his IQ, he often acts childish, his need for attention and the desire to get his way paving the way for such behavior. Even so, Eggman is more than just a man with a dream, being described as a "romanticist, feminist, and self-professed gentleman."[2] Above all, he is someone who does not give up easily, no matter how many setbacks he runs into or how many times Sonic and his many friends stop him.

Because of his obsession with ruling the world, it only makes sense that he would be obsessed with the seven items that could allow that to happen - the Chaos Emeralds. Ever since he learned that they were more than just legend, Eggman has tried endlessly to access the special stages they are often hiding in and claim them for himself. Although there have been times when he has been close to getting them all, never once has he succeeded in beating Sonic, making the Eggman Empire still nothing more than his vision of the future.

Although Eggman rarely goes up against Sonic without his trusty Eggmobile, the times he is outside of it has shown just how athletic he is. Though his physical appearance would suggest otherwise, Eggman is capable of sprinting at immense speeds, able to even outrun Sonic for a few seconds. Whether this means that the doctor is able to actually accelerate slightly faster than Sonic or if he just happens to have luck on his side (Sonic being tired out from traversing an entire base or other such level) is unknown. Whatever the reason, it is always long enough for him to run into his latest weapon. Aside from this, the doctor's physical abilities are limited to those of normal humans, though he has proven to have an extremely resilient body, his luck running even deeper, able to survive time and again the destruction of his bases, air ships, and Eggmobiles.

Dr. Eggman, in his quest to take over the world, has also looked for allies outside of his own making. These allies are often creatures who existed in the distant past, sealed away because of their powers and the havoc they could cause. Since Sonic Adventure, Eggman has awoken and tried to control the likes of Perfect Chaos, Biolizard, Solaris, and Dark Gaia, every time the arrangement blowing up in his face. While anyone else would have learned to avoid such actions the first time around, Eggman's determination gives the impression he will continue looking toward ancient legends of otherworldly creatures as a tool to succeed.

It must be noted that while Eggman has tried time and again to defeat Sonic, often in acts that could potentially kill him, the doctor does not necessarily hate the hedgehog, almost looking fondly at their rivalry. This doesn't mean that Eggman enjoys losing; it merely hints that he might not know what to do with himself if he succeeded in taking over the world.

Mechanical Creations

Eggman's Mobile.

Being the robotics genius that he is, Dr. Eggman is not only defined by his personality but by his many creations. Perhaps the most widely recognizable of these would be his Eggmobile. Also known as simply "Eggman's Mobile," this hovercraft has been seen in nearly every Sonic the Hedgehog game, piloted by the elusive doctor. The mobile is often used as the center for the many boss encounters that occur in the Sonic games, with wildly different attachments used in an effort to defeat Sonic, "Tails," and the rest. When inevitably defeated, Eggman uses the same pod to make a hasty getaway, preparing for the next encounter he'll have with his rival.

When not fighting against Sonic himself, Dr. Eggman has developed numerous robot enemies to do the fighting for him. Their functions are wide and varied, ranging from being simple guards used to defend his bases to those that seek out the Chaos Emeralds. At their heart, however, they have been built to help conquer the many zones of the planet, in the process aiming their sites at Sonic the Hedgehog in a bid to attack. The earliest of his robot army, sometimes called badniks, had designs based on real animals, each with Eggman's own twist. Most of these early enemies were powered by the animals that resided where Eggman's latest base was, though some robots were powered by alternate sources. The enemies on the Little Planet, for example, were powered by flowers, and those found the game Chaotix were powered by gray versions of the most common Sonic item of all, rings. While modern members of Eggman's army have been built to function without any such power source, he still uses animals from time to time.

A collection of early badniks from Sonic the Hedgehog 3.

The Sky Sanctuary of Sonic & Knuckles was the first place where Eggrobo, an enemy built in the image of Dr. Eggman himself, was introduced. While still part of his standard robot army, Eggrobo was designed to be the strongest of the fleet, with speed and power comparable to his most famous creation, Metal Sonic. While they were unable to stop Sonic and "Tails" at the end of the Death Egg saga, they were used as the inspiration for Eggman's future robot enemies, which eventually phased out the unique animal-based fleet he had been using up to this point. The first line of robots based from this mold, the E-100 series, were introduced in Sonic Adventure. Armed with advanced weaponry, they were meant to carry out missions his other creations were unable to, but the most successful of these, E-102 Gamma, turned on his master and destroyed his early brethren. The final of the line, E-123 Omega, was also given a staring role in Sonic Heroes, but only seven of the implied twenty-four have been featured in the games thus far. Sonic Heroes also saw the introduction of the Egg Pawns, based on the Eggrobo design but meant to fill the role of the early robots that had by now been phased out.

As mentioned before, though Eggman has had many robots and other creations at his disposal, his most famous would have to be Metal Sonic. Designed to be the hedgehog's equal, Metal is one of Eggman's most advanced robots, and subsequently been used more than once to try and finish off Sonic the Hedgehog, although Metal Sonic has never been able to stop his living counterpart. There have also been other such creations based on Eggman's other foes, such as Metal Knuckles and Tails Doll, and even less advanced robots like the Mecha series - Mecha Sonic and Mecha Knuckles - but none have been used with such fervor as Metal Sonic. Also, while not part of either the Metal or Mecha series, Eggman did create a fleet of robots based on Shadow the Hedgehog, first unveiled in Sonic Heroes but featured in the Shadow the Hedgehog game. As one final note, the enemy robot that may be his inspiration for Metal Sonic, Mecha Sonic, and the rest is Arma (also known as Roller), an Armadillo-based enemy from the Spring Yard Zone who shares Sonic's hue and his spin ability. Though extremely primitive compared to his later outings, it can be considered Eggman's first attempt at creating a robotic duplicate of his adversary.

On top of all of this, Eggman has also had numerous flying fortresses and bases that he's used during the course of the games. Among his many bases are Scrap Brain from the first Sonic the Hedgehog, Metropolis from Sonic 2, Launch Base of Sonic 3, Final Egg from Sonic Adventure, and the Pyramid Base of Sonic Adventure 2. While the most famous of his flying fortresses is the Death Egg featured in Sonic 2, 3, and Sonic & Knuckles, he has built others including the Wing Fortress from Sonic 2, Flying Battery used in Sonic 3 & Knuckles, and the Egg Carrier featured in Sonic Adventure and Sonic the Hedgehog 2006. It must also be noted that he briefly was able to create a portion of his fabled dream land, Eggmanland, during the events of Sonic Unleashed, but it was swiftly destroyed as many of his other bases and creations have in the past, his vision returning to just a dream.

Eggman in Other Media

As has been the case with Sonic the Hedgehog, Dr. Eggman's origin has been changed countless times when adapted into other media, with varying degrees of success.

Westernized Game Localization

Dr. Ovi Kintobor accidentally transforms into the evil Dr. Robotnik. From the promotional comic.

While the original Japanese storyline chose to make Eggman's background simple, the westernized story spearheaded by Sega of America decided to make the villain of the Sonic series an evil mastermind not of his own choosing, but by a cruel twist of fate. As depicted in the promotional comic written by Francis Mao, the character who would be known as Dr. Robotnik was once named Dr. Ovi Kintobor, a kind and friendly scientist who worked in secret in his underground laboratory. Working diligently on his latest invention called the Retro-Orbital Chaos Compressor, it was a device meant to absorb all the evil in the world in the six Chaos Emeralds housed in its center, thousands of rings keeping the entire machine in check. The friendly doctor may have worked alone for ages if not for the appearance of an unexpected visitor - Sonic the Hedgehog. Being the man he was, Kintobor welcomed the hedgehog, and showed him around his lab, telling him of the R.O.C.C. and the Chaos Emeralds, and how they were the key to capturing the very essence of evil.

Time went on, and Sonic, who was depicted as being brown, became the subject of one of Kintobor's experiments. Wanting to see just how fast the hedgehog could run, he put him on a supersonic treadmill to record his speeds. As it would, the treadmill was unable to handle Sonic's top speeds, resulting in an explosion that would transform Sonic into his classic blue hue. This also prompted Kintobor to create the red and white frictionless shoes that Sonic would wear from then on.

This relative peace was not to last, for one day while working over the R.O.C.C. trying to keep it stable, Kintobor asked Sonic to get him a soda pop and a hardboiled egg. Sonic got it in a flash, but due to the doctor's clumsiness, he spilled the drink, causing the R.O.C.C. to overload and all the evil to enter Kintobor. He was promptly transformed into his exact opposite, which was even reflected in his name. No longer was he Dr. Ovi Kintobor, but instead Dr. Ivo Robotnik, the most evil being on the planet Mobius.

Shogakukan Manga

Being Dr. Eggman's first non-game related appearance, the manga Sonic the Hedgehog published by Shogaku Yonensei features the villainous doctor not obsessing over the Chaos Emeralds as a way to take over the world, but Sonic the Hedgehog himself. Aware of the legend of Sonic and how he seems to have existed for quite a while, Eggman wants to learn to harness the powers of the hedgehog and use them for his own nefarious deeds. Through a moment of spying, Eggman discovers there is some slight connection between the family of Nicky and Sonic, though he is oblivious to the fact that Nicky and Sonic are one and the same. Because of this, many of his plans either involve the area in which Nicky lives, or the capturing and similar endangerment of Nicky's family and friends, including his little sister Anita and his girlfriend Amy Rose.

Sonic the Hedgehog (TV series)

Dr. Robotnik, known only as Julian at this point, moments before the coup of Mobotropolis.

While previous and future incarnations of the villain Dr. Robotnik would lean toward humor, the version present in the Saturday morning series Sonic the Hedgehog produced by DiC Entertainment was the polar opposite of this concept. By the time the series began, Dr. Robotnik has already ruled the planet for a decade, nearly all living things having been subjugated to the Roboticization process. Only small pockets of resistance exist on the planet, the one he cares most about being the band led by Princess Sally Acorn of Knothole Village. The reason for this is not because it is led by the daughter of the king he overthrew, but of Sonic the Hedgehog, the speedy blue force that has been able to resist and escape the dictator's every move. Robotnik's obsession with Sonic has caused most of his attention to focus on luring out and getting rid of his greatest foe, sometimes neglecting to think about the consequences of his actions, even if he is warned by his nephew Snively that his rash attacks on the mere hint of Sonic being nearby could threaten his other operations.

The second season of the series went on to explain how Robotnik was able to ascend to power, once briefly being an understudy of the wizard Naugus, who was the discoverer of "The Void." Seeing the possibilities of such a locale, Robotnik betrayed the wizard, sending him into "The Void" and sealing him within. With Naugus gone, Robotnik (who was known only as Julian at this point) went on to become the War Minister for the House of Acorn during the Great War. Though the details of the war are never mentioned, he uses his position to secure his army of SWATbots, and when the war is over and the King declares for the army to be decommissioned, Robotnik turns on the House of Acorn and swiftly takes over the planet, using the robotocizer technology he stole from Sir Charles Hedgehog, Sonic's "Uncle Chuck."

While the show never speaks on the earlier days of Robotnik, Ben Hurst, the head writer of the show, says the backstory they worked with was that Robotnik was from Earth's future but Mobius' past, and in the year 2200 attempted to take over the space colony he was living in. Inadvertently destroying it instead, Robotnik and Snively narrowly escape with their lives, and are sent into the distant future where they return to Earth, only to find it has become Mobius. Thinking that he is superior to the animals that now inhabit the planet, he sets about to conquer it in any way he can.[3]

It should also be noted that Dr. Robotnik's design in the show is heavily based on the design made by Milton Knight for Adventures of Sonic the Hedgehog, as the two animated series were developed at the same time by DiC.

Sonic the Hedgehog (Archie comics)

The history of Dr. Eggman in the Sonic the Hedgehog series by Archie can be confusing to the novice, his current incarnation deeply rooted in the early days of the series. Currently there have been two main antagonists with the Dr. Robotnik name, sometimes referred to as "Robotnik I" and "Robotnik II."

Dr. Robotnik I

File:SonictheHedgehog15Archie.jpg
The original Dr. Robotnik of the Archie series.

"Robotnik I" was born Julian Kintobor of the House of Ivo. His parents were from separate parts of the planet Mobius, one being part of the Overlanders tribe, the other from the surviving humans living in Station Square. Growing up with the Overlanders, he began plotting his rise to power early on, sabotaging anyone who stood in his way. One of these early causalities was his mentor, Nate Morgan, who Julian conspired to have banished. With Nate gone, Julian worked within the Overlanders military operations, constructing sophisticated technology used in their war with the Kingdom of Acorn.

However, it was soon discovered that Julian had been using living Overlanders to test his war machines, and the Minister of Justice, his brother Colin Kintobor, tried and convicted him of his crimes. Sentenced to imprisonment, Julian managed to escape and disappeared into the Badlands, where he was discovered by Jules and Sir Charles, Sonic the Hedgehog's father and Uncle Chuck, respectively. Taking him back to King Maximillian Acorn, Julian was welcomed with open arms once he promised to help them defeat his own people. He briefly allied himself with then-warlord Kodos, who wanted to overthrow the kingdom and throw the King into the Zone of Silence, but Julian used this knowledge to instead banish Kodos, positioning himself as the new warlord of the Acorn army.

Eventually, the House of Acorn was able to win the Great War, and Julian found himself in exactly the position he wanted. While he told King Acorn he would assume the mantle of Minister of Science, he instead set into motion his own takeover of the kingdom. In the twilight days of the war, Julian had discovered that Sir Charles had been working on a machine that could turn living tissue into robotic parts, in an attempt to save lives that would otherwise be lost. The first to undergo the process of Roboticization was Sonic's father, Jules, but because of sabotage by Julian, Jules became nothing more than an android who only listened to the Overlander. Jules wife Bernie was the next to undergo the process, and it was only a matter of time before he used the machine as the tool to roboticize the citizens of Mobotropolis, seizing the kingdom using his SWATbot army and sending the king into the Zone of Silence. With this act Julian Kintobor changed his name to Dr. Ivo Robotnik, and transformed the capital into Robotropolis, with only a few of its citizens able to escape from his conquest.

While he was able to overtake Mobotropolis as he did in the Saturday morning series that inspired the comic, he never had as tight a grip on the planet as his counterpart. It was shown later on that many areas of Mobius still had unroboticized beings, and these places were ruled by sub-bosses such as the Iron Queen. Also, in the earlier issues of the series, while Sonic and the Freedom Fighters fought Robotnik in an effort to save Mobius, his earlier schemes against those who dared to fight him were more comical in nature, his personality closer to the Adventures of Sonic the Hedgehog Robotnik than the Saturday morning alternative his design was based on. It was only as the series progressed that he began to act more like an evil dictator and less as a comical villain.

Dr. Robotnik's rule finally ended in issue #50, the culmination of the "Endgame" story arc. During one final confrontation with Sonic, Robotnik attempts to set off his "Ultimate Annihilator," blind to the fact that his nephew Snively had sabotaged the machine. While Sonic was able to escape, Dr. Robotnik's particles were scattered, putting an end to the conflict that had been the focus of the series.

Dr. Robotnik II

Robotnik I and Robotnik II come face to face.

After the defeat of Dr. Robotnik, the Freedom Fighters set about to rebuild Mobius, and the next few issues dealt less with action and more with restoration. However, in the build-up to issue #75, a mysterious being known only as "Anonymous" began interfering with the planet, its origins traced back to a series of satellites orbiting it. When the Freedom Fighters went up to investigate, they found themselves face to face with Robo-Robotnik, an alternate version of their own Robotnik from a parallel universe.

Back in issue #19 of the series, Sonic the Hedgehog and the rest of the Knothole gang were met by a version of Sonic who was half-roboticized. This version of Sonic explained that he was from a universe that was similar to theirs, except his Robotnik was able to capture the core Freedom Fighters, forcing them to undergo the roboticization process but only transforming one side of their body. Instead of putting a stop to the resisting force, however, this physical change turned the Freedom Fighters into an unstoppable force that maintained their free will. When their version of Robotnik realized the folly of his plan and that his upheaval was imminent, he forced himself to undergo his own Roboticization process, and began a quest to find the pieces of the "Giant Borg," a device that would help him not only take over his own Mobius, but countless others. With the combined might of numerous Sonic's, Robo-Robotnik was defeated, and thought completely destroyed.

In reality, he was able to save his consciousness, transferring it into a satellite back in his home reality and waited for the perfect time to strike. During his grand unveiling in issue #75, he explains that he was able to finally defeat his own version of Sonic, but was unsatisfied, and decided to attack the universe that had thwarted him before. While the Freedom Fighters were able to destroy his robot body, he pulled the same trick once again, and transferred his consciousness into a body made in the design of Dr. Eggman from the Sonic Adventure games. As time passed, he dropped the Robotnik moniker entirely, calling himself Dr. Eggman. While for a time he upgraded his body to possess the ability to roboticize people at his very touch, this disappeared when he was finally turned back into flesh and blood through the intervention of the Bem alien race. Once again human, Dr. Eggman continued his assault against Sonic the Hedgehog, his personality shifting closer to the games depiction with each passing issue.

The two Robotnik's have met three times in the course of the series, the first being in the previously mentioned issue #19. The second was in issue #22, when Robo-Robotnik saved Robotnik from certain death in the previous issue. The third and final time the duo met was in issue #108, where Dr. Eggman is able to briefly put Dr. Robotnik's particles back together after the events of issue #50, the two working together in the hopes to trick the Freedom Fighters. While their final team-up resulted in a loss for both of them, the door to the original Dr. Robotnik's return has been left open.

Sonic the Hedgehog (Troll Associates book)

Taking elements from the Saturday morning series and the Archie comic book, the children's novel Sonic the Hedgehog gives Robotnik a very clear, yet puzzling origin. Being an orphan, Robotnik is taken in by Charles Hedgehog, who is called Uncle Chuck by the other orphan he is taking care of, Sonic the Hedgehog. Even though they grew up together, Sonic and Robotnik never got along, the future dictator more interested in building robots rather than having fun.

Often stealing parts from Uncle Chuck's belongings, things take a turn for the worse when he steals the steering components from Uncle Chuck's tractor, right before Chuck gets on it to take it to the neighbors. The result of Uncle Chuck losing control of the tractor puts both he and Robotnik trapped between it and a tree, and Sonic is forced to rescue them. Its only later that Uncle Chuck finds out that it was Robotnik's fault, and in an effort to punish him sets off the child's wrath. Years later, Uncle Chuck is one of the first victims of Robotnik's takeover and subsequent roboticization, although Sonic is able to save his uncle by the first novel's end. Unlike the material it is sourced from, it is never explained how Robotnik gathered his power or how he learned the secrets of roboticization.

This origin story was also used in the original Archie mini-series, but presented as an imaginary story; a bad dream that Sonic is thankful never actually happened.

Adventures of Sonic the Hedgehog

Dr. Ivo Robotnik, as interpreted by Milton Knight.

The Robotnik featured in Adventures of Sonic the Hedgehog is never given as clear an origin as in the other DiC Entertainment series, instead being presented as the classic villain who wants to rule the world. As emphasized by his supporting cast Scratch, Grounder, and Coconuts, his three main badniks, he doesn't nearly take himself as seriously as his Saturday morning counterpart. His desire to rule the world is not just a blind one, however. So excited is he over the fact he exists, Dr. Robotnik looks upon the world wondering how everyone else could not be as excited as he over his existence, wanting to rule to have everyone celebrate his nature.

While Dr. Robotnik calls himself the ruler of Mobius, it is very much in his own mind, and is never able to extend his influence beyond his own fortress. Each time he tries, he is thwarted by Sonic the Hedgehog, which spawns his trademark phrase he speaks at the end of each episode, "I hate that hedgehog!" Slightly jealous of Sonic, he is confounded by Mobius' unending praise for the hedgehog, his desire for wanting to be loved and adored driving him to greater heights of villainy, waiting for the day the world will embrace him as their true leader and inspiration. He is portrayed very much as a comical foe, more so than any other version of Dr Robotnik/Dr. Eggman, his persona fitting into the world of Adventures of Sonic the Hedgehog.

While his past is never fully explored, there are some instances in which parts are revealed, often just for the point of that one episode. The episode "Best Hedgehog" tells of how Robotnik, an overweight, acne-ridden teenager, had a crush on a girl named Lucinda in his high school. While he tries to win her affections, she is instead attracted to another man named Lucas. Robotnik tries to win her by attacking Lucas with one of his early inventions, but he fails, and once he becomes the Robotnik he is in the show, holds Lucas captive for decades until Sonic is able to free him.

Robotnik also has family in the show, his mother appearing a handful of times during the run. While she looks like Robotnik in a dress, mustache and all, Dr. Robotnik is afraid of her far more than anything else, and tries desperately to hide her away in the Mobius asylum. Robotnik also makes his own robotic son, Robotnik Junior, who looks like a younger version of Robotnik. Unfortunately for him, his son defects to the Freedom Fighters.

Important to note is that Dr. Robotnik, as he is depicted in Adventures of Sonic the Hedgehog, was designed by cartoonist Milton Knight. His redesign of Robotnik was done to ensure that the doctor would be "animation's sexiest fat man!"[4]

Another thing thats important to note about this version of the doctor is the popular "Pingas" sound-clip commonly used in YouTube poops. This sound clip originates from the Boogie Mania episode, where he says to his robots "Snooping as usual I see", the bold text sounding like the word penis.

Sonic the Comic

Dr. Ivo Robotnik as he appeared through most of the series.

Sonic the Comic, the U.K. series published by Fleetway, used the Westernized origin story as their background, having Dr. Ovi Kintobor accidentally transform into the evil Dr. Robotnik. However, instead of having soda play a part, Kintobor trips over a cable while holding a rotten egg, causing the transformation. While Kintobor's consciousness still existed in digitized form as a computer, the villainous Robotnik soon began his plans for world domination.

While early issues featured Robotnik in his classic game design and his dialogue full of egg puns, issue #8 of the series not only explained the origin in the pages of the comic but began a turn of events that would dictate the tone for the series, with Dr. Robotnik sending Sonic and and some of his closest friends forward in time. While only displaced by six months, it is more than enough time for Robotnik to succeed in taking over Mobius, forcing Sonic to become more than just the foil to his schemes, but the leader of the Freedom Fighters.

As the comic continued, Robotnik's personality began to shift away from a more humorous style and toward that of his Saturday morning counterpart. This was even reflected in his change of clothing, shunning his simple dress for the more menacing style of that Dr. Robotnik. It was issue #21 that Robotnik decided he needed to not only change his clothing, but his entire body, and encased himself in an egg, emerging as the Adventures of Sonic the Hedgehog styled Robotnik. He kept this form for the rest of the series, although he did change his clothes one final time in the Sonic Adventure adaptation, putting on the jacket his game counterpart had adopted.

Though created by the Chaos Emeralds, Robotnik was always on the lookout for the gems, them having been hidden by Sonic shortly after his transformation into the evil dictator. Though always looking to reclaim the six (and to discover the lost seventh gray emerald that would control the rest), each time he became close to possessing them they were pulled out of his reach, eventually all seven becoming guarded by Knuckles the Echidna on the Floating Island. As the series progressed, Dr. Robotnik was met with failure after failure, losing his empire in issue #100 and unable to ever gain it back. While there were times in the comic that he almost achieved godhood, he was always thwarted by Sonic and the Freedom Fighters, which affected him to the point of immense depression. His faithful assistant, Grimer, not wanting to stand by and watch his master wither away, decided to unleash Chaos, a fear-based water creature, in the hopes of defeating Sonic and reclaiming Mobius. While at first it looks as though Robotnik is reinspired by these events, in actuality he cares for nothing anymore, and wants to end it all, even if it means the planet goes down with him.

One last thing to note is that during the course of the series, the Metal Sonic-based Metallix went back in time to prevent the creation of Robotnik, as in an alternate timeline they still existed because it was Robotnik's assistant Grimer who designed them, Robotnik only adding a self-destruct mechanism. Because of this, Sonic was forced to go back in time and make sure that Kintobor would trip over the wire and cause his transformation, thereby creating his greatest foe.

  • Dr. Robotnik's first appearance in the comic.

  • Robotnik's brief second outfit.

  • Robotnik as he appeared in the Sonic Adventure adaptation.

Sonic the Hedgehog (Anime)

Dr. Eggman and Sara clad in wedding attire.

Produced under the supervision of Sonic Team, the two part OVA featured a Dr. Eggman who was closer to his game counterpart compared to any that had come before. While he is the ruler of Eggmanland, it is a city that is below where most of the inhabitants of Planet Freedom live, built on the outskirts of what was once New York City. He is both cunning and charismatic, yet still childish, easily falling for the whims of the President's daughter, Sara.

While Sonic doesn't necessarily believe Eggman's story about Eggmanland being overtaken by Black Eggman, he and Miles "Tails" Prower venture into the heart of Eggman's empire, prepared to save the world from whatever may get in their way. It doesn't take long for Sonic's suspicions to be confirmed that Eggman was involved from the beginning, the entire expenditure merely a ploy to allow his latest creation Hyper Metal Sonic to be complete, the robot needing Sonic's life data to become fully operational. While Eggman wishes to rule as his game counterpart, he has no qualms with what he plans to do with Hyper Metal Sonic - destroy that which keeps the Land of the Sky afloat, leaving only the Land of Darkness and Eggman's empire.

Also, throughout the anime, it is revealed that Eggman is not holding the President's daughter hostage to have a bargaining chip to let his plans go into motion, but because he is enamored with her. He fully intends on marrying Sara once Planet Freedom's Land of the Sky shatters, and have a fleet of children with her.

Sonic Underground

The final of the three DiC Entertainment Sonic productions, Sonic Underground once again returns to the Dr. Robotnik design from the previous show, Sonic the Hedgehog. While his origin is also similar in the sense that Robotnik overthrew the original ruler of the planet, the ruling monarch at the time was Queen Aleena Hedgehog, mother of Sonic and his two siblings, Sonia and Manic the Hedgehog. Although he does overthrow her, she is able to escape, and protect her children from his grasp. Hiding her three children with separate foster parents, Dr. Robotnik takes the opportunity of the missing monarchy to secure his place as the ruler of Mobius. While he does have the capability to roboticize anyone, the mad dictator restrains himself from transforming every living thing on the planet, choosing only to make examples of those who oppose him. Along with his sidekicks, the bounty hunters Sleet and Dingo, Robotnik spends his time making sure he is the undisputed ruler of Mobius, continually seeking out Queen Aleena and her three children, most of all Sonic, to make sure the prophecy of his downfall never comes to pass.

The character of Robotnik also has a bit more emphasis on maintaining some form of the old order, leaving the nobility of the planet alone for the most part, as long as they pay him tribute and allow him to be the ruler. This alone shows that he is not as strict a dictator as in the Saturday morning series, and is slightly more interested in being adored by the public.

Sonic X

Dr. Eggman along with his constant companions Decoe and Bocoe.

The second, and for the moment last, animated series produced under the supervision of Sonic Team, Sonic X keeps Dr. Eggman close to his gaming counterpart, desiring the Chaos Emeralds and going head to head with Sonic the Hedgehog. Although he had already succeeded in getting the seven Chaos Emeralds in the beginning of the first episode, the machine that he has them connected to causes Chaos Control to occur, transporting the main cast and those nearby to an alternate dimension, and to planet Earth.

Discovering himself in unfamiliar territory, Eggman immediately begins the same tricks that he started on their home planet, causing chaos and confusion in the heart of Station Square. Assisted by his robot assistants Bocoe and Decoe, the mad doctor begins looking for the Chaos Emeralds in a very monster-of-the-week fashion, sending one of his E-Series robots at random each episode. His plans later evolve, however, after his next successful attempt at gathering the seven Chaos Emeralds, kidnapping Chris Thorndyke and attempting to defeat Sonic on this strange new world once and for all. Though he is thwarted by Super Sonic, the events of this mid-season finale lay out the more sophisticated plans of Eggman to come into motion, the series adapting Sonic Adventure and Adventure 2 with some slight alterations. Among them is the revelation that the planet Earth Sonic and the gang were transported to in the first episode is actually the planet Eggman was born on, the information being revealed when Eggman learns of his grandfather having lived and worked on "Project Shadow" for this planet's government. Somehow being transported to Sonic's world, the knowledge refuses to deter the genius scientist from his lofty goals of conquest.

All in all, however, Eggman seems to treat his encounters with Sonic not strictly as fights over the planet, but more akin to the friendly rivalry aspects that are hinted at in the games. Though there can be moments quite intense where Eggman wants nothing more than to destroy Sonic, more often than not he just wants to prove himself the better person. This reasoning for why Eggman does what he does is expanded further on in the comic series based on the show. Published by Archie Comics, a handful of issues feature Dr. Eggman taking on the moniker of wrestling sensation El Gran Gordo, a persona that allows Eggman to enjoy not only the sensation of winning, but also of being adored by the masses.

Miscellaneous

  • Although never confirmed, it is speculated that Dr. Eggman's name was inspired by The Beatles' classic tune "I am the Walrus." The song featuring the lyrics "I am the egg man/They are the egg men/I am the Walrus/Goo goo g'joob." Also, Eggman's theme in the later games ("E.G.G.M.A.N") makes references to I Am the Walrus, especially the line "I am the Eggman. It's what I am". It is also because of this possible connection that Sega of America may have wanted to change Dr. Eggman's name, in the fear of being sued by The Beatles' label Apple for copyright infringement.
  • A potential macrocycle inhibitor of the gene Sonic hedgehog was discovered by a Harvard University research team, who decided to name it "Robotnikinin." They felt that since the original had been named after the video game character, they should "adhere to the convention" and name the newly discovered compound after his archenemy.[5]
  • While Dr. Eggman has always been the name of the character in Japan, in localization for western markets it was decided to name the character Dr. Ivo Robotnik. The name was conceived by Dean Sitton, who was working for Sega of America's helpline at the time. Once development for Sonic Adventure was well underway, the three main branches of Sega decided to discontinue the western story involving Kintobor, focusing solely on the Japanese story now that the game relied heavily on plot, allowing the localization process to be easier. Instead of casting aside his western name, the Robotnik name was incorporated into the game canon, with Eggman's grandfather Professor Gerald Robotnik having the same last name in all versions of the game, making it the first time a Sonic Team production used the surname in Japan. Even so, most modern games have exclusively stuck to the Dr. Eggman name, entries such as Sonic Chronicles: The Dark Brotherhood and Sonic Generations being rare exceptions.

Appearances

Video Games

See Games featuring Sonic the Hedgehog. Being the main antagonist, he is in nearly every game on this list with the exceptions of Sonic and the Black Knight and the two "Tails"-only Game Gear games.

Television Series and Film

Comic Books

Game Books and Novels

See Books Featuring Sonic the Hedgehog. As Dr. Eggman is the main antagonist of the series, he is featured in every book on this list.

Theme Songs

Boss themes and other various pieces of music can also be considered as themes for Dr. Eggman, although not marked explicitly as such.

Voice Actors


Characters in the Sonic the Hedgehog game series
Recurring characters
Heroes Sonic (Super, Starfall, Hyper, Darkspine, the Werehog, Excalibur) | Tails (Super) | Knuckles (Super, Hyper) | Amy (Super, Hyper) | Mighty (Super) | Ray (Super) | Espio | Charmy | Vector | Cream | Big | Blaze (Burning) | Silver (Super) | Sticks
Anti-heroes/Neutrals Shadow (Super) | Rouge | E-102 Gamma | E-123 Omega | Jet | Wave | Storm
Villains Dr. Eggman | Metal Sonic (Rocket, Neo, 3.0) | Mecha Sonic (8-bit, Mk. II, Mk. III, Super) | Fang | Tails Doll | Metal Knuckles | Chaos (Perfect) | E-Series | ZERO | Biolizard (Finalhazard) | Black Doom (Devil Doom) | Eggman Nega | Orbot | Cubot | Deadly Six (Zavok, Zazz, Zomom, Master Zik, Zeena, Zor)
Teams Sonic/Heroes | Rose | Dark | Chaotix | Babylon
Other Animals (Flicky) | Froggy | Chao (Hero, Dark) | Tikal | Pachacamac | Omochao | Chaclon | Gerald & Maria Robotnik | President | King Boom Boo | Cheese | Chocola | Vanilla | G.U.N. Commander | Wisps | Mother Wisp
One-off characters
Heroes Emerl | Marine | Lumina Flowlight | Chip | Shahra | Knights of the Round Table | Caliburn | Yacker | Avatar | Barry | Trip (Super)
Anti-heroes/Neutrals Bean | Bark | Shade | Merlina | Sage
Villains Witchcart | Hocke-Wulf | Bearenger | Carrotia | Battle Kukku Army (15th, 16th, Dr. Fukurokov) | E-101 Beta | Void | Chaos Gamma | Gemerl | Shugo-hei | Iblis | Mephiles | Solaris | Erazor Djinn | Captain Whisker | Johnny | Master Core: ABIS | Ix (Super) | Dark Gaia | King Arthur | Hard Boiled Heavies | Infinite | The End | Mirage Express
Teams Vector | Eggman
Other Birdie | Illumina | Secretary | Elise | Duke of Soleanna | Sonic Man | Coconut Crew | Vikings | Professor Pickle | Wentos | Don Fachio | Dodon Pa | Koco | Ancients | Conductor | Conductor's wife | Ariem | Heavy | Bomb | Tiara Boobowski | Honey
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