What is tony chopper?

Tony Tony Chopper is a fictional character in the One Piece manga and anime series created by Eiichiro Oda. He is a reindeer with the ability to transform into a human form through the consumption of the Human-Human Fruit. Chopper is the doctor of the Straw Hat Pirates and possesses the ability to communicate with and understand the language of all animals thanks to a medicine he created. He is a loyal friend and dedicated crew member who has overcome discrimination and physical adversity throughout his life and has a strong desire to develop new medicines and cures to help those in need.