Naoto Ohshima (大島 直人, Ōshima Naoto) (born February 26, 1964) is a Japanese artist and video game designer, best known for designing Sonic the Hedgehog and Dr. Eggman characters from Sega's Sonic the Hedgehog franchise. Although Yuji Naka created the original tech demo around which Sonic's gameplay was based, the character in his prototype was a...