Shadow is known as the 'Ultimate Life form'. With the ability to use Chaos Control, Chaos Spear, and to go Super, Shadow is almost un-beatable. When the G.U.N shut down ARK over 50 years ago, and Maria died, shadow vowed revenge.
Sonics friends are tails the fox knuckles and His bio. Is:
Sonic is the main character, and he is the one who started the whole series! Sonic is the worlds fastest hedgehog, and he fights for what is right. With the ability to go Super, Sonic has thwarted many of Dr.Egg man's plans.
