Sonic the Hedgehog Sonic the Hedgehog Sonic the Hedgehog is a video game franchise produced by Sega centering on a series of high-speed platform games. Sonic, the protagonist, is an anthropomorphic blue hedgehog with supersonic speed. Typically, Sonic must stop antagonist Doctor Eggman's plans for world domination, often helped by his friends, such as Tails, Amy, and Knuckles. The first "Sonic the Hedgehog" game, released in 1991, was conceived by Sega's Sonic Team division after Sega requested a mascot character to compete with Nintendo's mascot Mario. Its success spawned many sequels and helped Sega become one of the leading video game companies during
Sonic the Hedgehog 2 action." "Sonic 2"s success was a major factor in Sega catching up to Nintendo in the early-1990s console wars. It brought their market share up to 40% within six months of its release. Tails, whom "Sonic the Hedgehog 2" introduced, went on to become one of the most prominent characters in the series, appearing as Sonic's sidekick in most "Sonic" media, including in recent games such as "Sonic Colors", "Sonic Generations", and "Sonic Lost World". "Sonic the Hedgehog 2"s popularity extended to various merchandise such as comic books such as "Sonic the Comic", a television series, and a sequel, "Sonic