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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
Mario Platformer
for Mario Platformer in Villains in different series'
Suggested by zealachilles456
What if villains were in different series', what ones would pair good with certain series'
