Sonic the Hedgehog is a video game franchise created by Yuji Naka, and is developed and owned by Sega. The series is named after its titular mascot character, Sonic the Hedgehog. The franchise centers on a series of The first game in the series, published in 1991, was conceived by Sega's Sonic Team division after Sega requested a mascot character; the title was a success and spawned sequels, and transformed Sega into a leading video game company during the 16-bit era in the early to mid-1990s.
Sonic Team has since developed many titles in the franchise. Prominent members of its initial staff included Naka, designer Naoto Ohshima and game planner Hirokazu Yasuhara. Other developers of Sonic games have included the American Sega Technical Institute, Japanese Dimps, Canadian BioWare, and British Traveller's Tales. While the first games in the series were platform games, the series has expanded into other genres such as action-adventure, fighting, racing, role-playing, and sports. sonic in his first game.