Eric A. "Doc" Hammer is an American musician, actor, film and television writer, voice acting, and painter. He performed in the gothic rock bands Requiem in White from 1985 to 1995 and Mors Syphilitica from 1995 to 2002, both with his then-wife Lisa Hammer. His film credits include a number of Lisa's projects—released through their own production company Blessed Elysium—in which he participated as a writer, actor, composer, designer, and visual effects artist. He also composed the music for the 1997 film A, B, C... Manhattan. He and Christopher McCulloch are the co-creators, writers, and editors of the animated television series The Venture Bros. (2004–present), in which Hammer voices several recurring characters including Billy Quizboy, Henchman 21, and Dr. Girlfriend. The show is produce