Clayface

Clayface (voiced by Ron Perlman) is a legacy name used by several super-villains who fight Batman, each of them with powers that involve a malleable clay-like body structure. He is a patient at Arkham Asylum. They primarily use shape-shifting to commit crimes and terrorize Gotham City. The name has been associated with the Injustice League, Anti-Justice League and Secret Society of Super-Villains