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Doctor Ivo "Eggman" Robotnik is the main antagonist of Sega's Sonic the Hedgehog franchise. Eggman was created and designed by Naoto Ohshima as part of many design choices for Sega's new mascot.
Doctor Eggman
Biff Tannen
for Biff Tannen in Sonic The Hedgehog as Back To The Future
Suggested by cameroniacobucci
If Sonic The Hedgehog Characters played Back To The Future Characters, who would play who?
