|Relatives:|| Unnamed farther,|
Ma Mayhem (mother),
|Voiced by:||Mark Rolston|
Carl was one of Ma Mayhem's boys.
Carl was the muscle of the crime family, but not very bright. With his mother and brother, he went after several jewels that his mother had stolen years earlier.
Carl, along with his brother and mother, also appeared in Batman Beyond #19, "Royal Mayhem", where they kidnap Princess Vinishri of Uganistan.