EggRobo An EggRobo is an egg-shaped humanoid robot which resembles Doctor Eggman. They first appeared as enemies in the game Sonic & Knuckles. In Sonic's storyline, they only appeared as standard enemies in the Sky Sanctuary Zone. In Knuckles' story, however, one EggRobo in particular replaces Eggman as the end-of-zone boss in a number of levels.
An EggRobo later appears in Sonic R as an unlockable character. An EggRobo appears in Sonic Adventure 2 as a kart racing VMU Download with his own stage, and again in the Nintendo GameCube port Sonic Adventure 2: Battle as Rouge the Bat's unlockable kart.
