Mewtwo
From Nintendofics
Mewtwo is one of the original 151 Pokemon. He is one of the most powerful Pokemon to date, and is a character in Super Smash Brothers. He's also one of the most intelligent of the Smashers.
Mewtwo's good friends are Bowser, Ganondorf, Donkey Kong, and Dr. Mario. He occasionally helps out Master Hand and Crazy Hand on special occasions.