10 Most Powerful Batman Villains

7. Clayface

There's been any number of Clayfaces over the years, from the insane horror movie star who got fired and replaced and went on a killing spree wearing his character's terrifying mask, to the one most contemporary audiences know as the dude literally made from clay that Batman has a hard time defeating until he remembers that clay can just be washed away or have concrete poured on it or whatever.

Sticking with the various actually super-powered Clayfaces, the actual limit of the character's abilities have never quite been established. His closest precedent is Spider-Man villain Sandman, who varies from being sort of a nuisance to being able to take control of an entire beach and make it sentient.

In theory, Clayface is kind of invincible. You can't kill him, he's not really a person, able to shapeshift into anything. He probably doesn't have any nerve endings left either. It's just washing him away, electrocuting him, freezing him that can stop him in his tracks. Speaking of...