Dr. Eggman

Dr. Ivo Robotnik, better known by the alias Dr. Eggman, is the main antagonist of the Sonic the Hedgehog series. He is a human and the arch-nemesis of Sonic the Hedgehog. This large scientist with an IQ of 300[1] dreams of dominating the world, but his constant plots to create his Eggman Empire are always thwarted by Sonic and his friends.