Rocky (ロッキー), also called Joe Sushi, is one of the animal friends imprisoned by Dr. Eggman for use as 'organic batteries' for his badnik army. Rocky's species is a walrus and he was the inspiration for the character Rotor Walrus featured in Sonic the Hedgehog (TV series) and Sonic the Hedgehog (Archie comics).
|Sonic the Hedgehog (16-bit)||Marble Zone, Labyrinth Zone, Scrap Brain Zone|
|Sonic the Hedgehog (8-bit)||Labyrinth Zone|
|Sonic the Hedgehog 2 (16-bit)||Oil Ocean Zone|
|Sonic the Hedgehog 2 (8-bit)||Aqua Lake Zone|
|Sonic the Hedgehog 3||Hydrocity Zone, Icecap Zone|
|Sonic Mania||Stardust Speedway Zone (Metal Sonic projector only), Hydrocity Zone, Oil Ocean Zone|