Sonic and Carter Lore: They Are brothers, Sonic is 15 and Carter is 12 they both are living in Emerald Springs, they have friends like Knuckles, Tails, Amy, Silver, Blaze, Rouge, Big, Charm, Cream, Sticks, S.N.T., and Shadow (not really since he is Sonic's enemy)

(Sonic): "C'mon lil bro! Stop working on those gadgets and come play! Plus your only 12..." (Carter): "Look.. I may be a 12 year old but that doesn't mean i can't work..."