Flamer, or Bohla (ボーラ) in Japan, is an Orbinaut variant that appears in Sonic the Hedgehog 4: Episode II.
Found in Oil Desert Zone, this Badnik attacks by firing its flamethrowers in four directions when approached by the player. They tend to move about above oily floors, which can be easily ignited by the flamethrowers and make the floors hazardous to Sonic and Tails. Because of their flamethrowers, the player(s) can have a hard time to avoid Flamers, but they can still be dealt with by any means of attack like any other enemy.
||A new series of Sea Urchin type robots which were developed based on the "Orbinauts" & "Spike Spinners" featured in Episode I. The blasting flames of the burners are certainly dangerous, but those fires will spread widely in oily places. Take extra care.
— Sonic the Hedgehog 4: Episode II website