The third film in the franchise will continue the tradition after the first two brought Tails and Shadow into the fold.

Sonic 3 will continue the tradition of teasing new characters for future films, which could suggest Metal Sonic, Amy, Rouge, or Silver.

playable Knuckles in Sonic CD, and for the first time ever, Amy Rose as a playable character in Sonic the Hedgehog 1, 2, Sonic 3 & Knuckles, and Sonic CD! With more content than ever before ...

Sonic the Hedgehog 3 may introduce Amy Rose and Rouge, adding depth to Shadow's character. Amy's compassion plays a key role ...