What is matthew hagen?

Matthew Hagen is a fictional character in the DC Comics universe. He is also known as Clayface, a supervillain and enemy of Batman. Hagen was originally a professional criminal and actor who stumbled upon a strange pool of protoplasm that granted him shapeshifting abilities. He used his powers to become a successful thief and eventually turned to a life of crime, becoming a recurring enemy of Batman and his allies. Over the years, there have been several different individuals who have assumed the identity of Clayface, but Hagen is the most well-known and iconic version of the character.