(From Wikia)Tony Tony Chopper, also known as "Cotton Candy Lover" Chopper, is the doctor of the Straw Hat Pirates. Chopper is a reindeer that ate the Hito Hito no Mi which is a devil fruit that allows its user to transform into a human hybrid or a human at will.
Doctor: Hand me the vial, Chopper.
Tony Tony Chopper: Yes, mam.
The baddest reindeer ever he is a doctor has 7 transformation and can beat up anyone in his sight and he is cute.
Hey guys you see tony tony chopper over there isn't he the cutest
The most badass reinder you can find. He is the best at hiding his emotions. When you compliment him, he will not hesitate to absolutley murder you, and do a victory dance afterward. When you see this badass motherfucker, you know your life will end.
Person: Oh my gosh chopper, you look so cute today.
Tony tony chopper: fucking bastard I hate you. No one ever liked you. Ok, there not here! Now I can appriciate their compliments without anyone thinking I'm to soft.