Dr. Eggman has cloned himself using the DNA of his terminated foes. And he has programmed loyalty into them to prevent them from turning on him.
Antoine Robotnik is based on a panel from the Fleetway Comics where Robotnik was warping reality. In one of the realities, Sonic and Robotnik were the Roadrunner and Wlie E. Coyote from the Looney Tunes.
Rotor Robotnik is based on multiple pages from the Archie Comics where Robotnik and Rotor were pretending to one another. Both repeatedly ripped their masks, claiming to be their selves and each other.
