Theres good info on wikipedia on pitbulls , I read up and its definately the owners that make the dogs mean. Its a shame that people would treat a dog that way, especially mutilating a dogs tail or ears for looks... Now that I think back my one friend that had the mean pit , its ears were cut so they stand up and its tail was chopped. My friend that had the lap dog pit, his dog had uncut ears and tail.