Sonic the hedgehog is a video game character. He is one of the main characters in the game Sonic which was made by Sega. Sonic was made by Sega so that they could have a mascot that could match up with Nintendo's mascot Mario. The first Sonic game was released on June 23rd 1991. In 2005 Sonic was one of the first video game characters inducted into the Walk of Game with him were Link and Mario. He is a 15 year old Hedgehog who can run faster than the speed of light and the ability to curl up into a ball mostly to attack enemies. Sonic's friends lnclude Tails, Knuckles and Amy (who he has a crush on) and his enemy is the evil Dr. Eggman also known as Dr. Robotnik