He is always in good physical shape. He has a photographic memory, excellent hearing, an acute sense of smell, a very refined taste, as well as piano playing skills. He has homosexual tendencies (as he has a lover Will) He tried to kill you because you saw the process of separating the flesh and bones of a person, He really dislikes rude people, he considers them "pigs". 

And because of his cannibal diet, he gained a little weight (which is why he started to have a little belly)