Baron Werner Ünderbheit IV is a fictional character and antagonist appearing on the Adult Swim show The Venture Bros. He is voiced by T. Ryder Smith and is a close parody of the famous Marvel Comics supervillain Doctor Doom: he bears a physical deformity, wears armor and a cloak, and was the tyrannical ruler of a small nation. His first name Werner is the same as Doctor Doom's father Werner Von Doom.