Dr. Ivo Robotnik

Doctor Ivo Robotnik[12][13] (ドクター・イヴォ・ロボトニック[14][9][15], Dokutā Ivo Robotonikku?), better known by the alias Doctor Eggman[16] (ドクター・エッグマン[17], Dokutā Egguman?), is the main antagonist of the Sonic the Hedgehog series. He is a human scientist who boasts a remarkable IQ of 300 and a passion for machines. Eggman dreams of conquering the world to establish a global empire to build his utopia, Eggmanland. For all his brilliance though, his plans are constantly foiled by his arch-nemesis, Sonic the Hedgehog, and his friends.