Shadow is a black and red Hedgehog who is Sonic's rival. He is almost as fast as Sonic is.
He is known for using caos emeralds in a technique called chaos control. He wears hover shoes and gold rings around his ankles, He also wears white gloves and gold rings around his wrists.Shadows first appearance was in sonic X the pilot episode. His latest appearance is in Mario and Sonic at the sochi 2014 Olympics winter games