Clayface (Young Justice)

Clayface is a mutant supervillain and rival of Batman.

History
For unknown reasons Clayface fought against Robin and his teammates in Gotham City. He was on the verge of defeating them until Batman intervened and defeated Clayface.

Abilities and Powers
Clayface can use his abilities to control the density and size of his body mass, allowing him to take a variety of shapes. As a result he is able to fashion his form and limbs into weapons, like spiked anvils, and use them at any time he wants.