Sonic is a adventurous, fast and energetic hedgehog, Knuckles is a super strong red echidna, Rouge is a sassy gem thief bat, Cream is a sweet and kind bunny, Silver is a telekinetic innocent white hedgehog 200 years in the future, Amy is a kind and caring pink hedgehog, Shadow is a quiet and rude black hedgehog that is only somewhat nice to those he tolerates (Rouge, Sonic, & Cream), Tails is a smart and nerdy fox, Blaze is a purple cat with fire powers. They are all best friends with eachother.