This reindeer in a pink fuzzy top hat with a sideways medical cross is named Tony Tony Chopper and he is a pirate and doctor in the Straw Hat Pirates. Due to the fact that Chopper ate a Devil Fruit, he can change his appearance, size, and become a human. Tony Tony Chopper is a very kind, generous, and honest friend who behaves like a child. The anime cursor for a mouse from One Piece with Tony Tony Chopper and Sakura Blossom!