DescriptionSonic the Hedgehog is a video game character and the main protagonist of the Sonic video game series released by Sega as well as in numerous spin-off comics cartoons and a feature film. The first Sonic game was released on June 23 1991 in order to provide Sega with a ...DescriptionSonic the Hedgehog is a video game character and the main protagonist of the Sonic video game series released by Sega as well as in numerous spin-off comics cartoons and a feature film. The first Sonic game was released on June 23 1991 in order to provide Sega with a mascot to rival Nintendo's flagship character Mario (see 1991 in video gaming).
Since then Sonic has become one of the world's best-known video game characters with his series having sold more than 70 million copies. In 2005 Sonic was one of the first game character inductees into the Walk of Game.