Shadow the hedgehog
He is the prominent rival of Sonic.He was created by a a professer named Gerald Robotnik. He is immortal and known as The Ultimate Life Form.He has the ultimate control of the Chaos Emeralds.
Mario and Sonic at the olympic games
Original character biography
Like Sonic, Shadow is an extremely fast hedgehog that can give his more famous blue rival a run for his money in most Speed events. Additionally, his accuracy will help give him a leg up in the events like the archery and fencing.