The Hito Hito no Mi is a fictional Devil Fruit from the anime and manga series One Piece. This fruit grants its user the ability to transform into a human or a human hybrid. It is classified as a Zoan-type fruit, which allows for the transformation into different forms. The most notable user of the Hito Hito no Mi is Tony Tony Chopper, a reindeer who gained human intelligence and abilities after consuming the fruit. This transformation allows Chopper to speak, walk on two legs, and utilize various forms, enhancing his combat skills and medical knowledge.