User blog comment:Nevermind0309/Characters I think will be removed in the next Super Smash Bros. Game/@comment-3967009-20110706164929/@comment-1194826-20110706170949

or the orignal and melee, mari and luigi (they were in both)

and for brawl

Sonic,Mario,Luigi,Wario,Olimar,Bowser,and Meta-Knight