All that protects him from the Joker and other Gotham City villains are his wits and a physique shaped by years of training-combined with the vast fortune to reach his maximum potential and augment himself with Batmobiles, Batcables and other Bat-goodies, of course. He has no special powers from being born on a distant world or bitten by a radioactive spider. Batman is the most down-to-earth of all the superheroes.