Quote Originally Posted by Chaoskiddo
Do you count Kisame as having a physical enhancement...?
I wouldn't necessarily call it an enhancement but he definately looks like one of his parents was part shark. Who knows, maybe the reason he has such high chakra capacity is because he's some genetic crossbreeding experiment. Juugi and Suigetsu also fit the mold, both having seemingly natural abilities that are totally outside the scope of normal. For Juugo I am of course talking about his ability to talk to birds.