Did Eggman create Sonic?

Did Eggman create Sonic?

After the creation of Sonic the Hedgehog, Ohshima chose to use his previous egg-shaped character to create the antagonist of the 1991 video game Sonic the Hedgehog, making him the arch-nemesis of the series’ eponymous main character. … Doctor Eggman. Doctor Eggman Ivo Robotnik Nationality American 13

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