Sonic is fast, Mario has pretty much a million transformations. I don't know.... They are both pretty good... Oh wait, Luigi would pwn Sonic, as he would be going so fast he turns into light, and Luigi would whip out his crazy black hole-like vacuum and suck him up!
SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC SONIC