Possibilities for crossover characters include AiAi from Super Monkey Ball, Kazuma Kiryu from Yakuza, and potentially even ...

Sonic the Hedgehog is expanding its crossover collaborations ... and even battled his longtime rival Mario and other beloved Nintendo mascots in the Super Smash Bros. series.

and the rest of the Sonic Team gang are about to collide with the DC Universe in the upcoming crossover series DC x Sonic the Hedgehog, and it will be a race to discover who really is the ultimate ...