Lunkhead is a large, imposing somewhat deformed bruiser of a man. He is killed by demons tricked by the Ventriloquist as revenge for destroying his Scarface puppet.
In other media
Beware the Batman
Lunkhead appears in Beware the Batman, voiced by JB Blanc. He is a reformed criminal who was beaten into a coma for two months by Batman. He was part of a therapy program in Blackgate Penitentiary alongside Margaret Sorrow. Lunkhead was released and has been a reformed criminal. Lieutenant James Gordon asks him about Margaret, bribing him with chocolate.