Eric Hammer (born February 2, 1967), known professionally as Doc Hammer, is an American voice actor, musician, writer and artist. He performed in the gothic stone bands Requiem in White from 1985 to 1995 and Mors Syphilitica from 1995 to 2002, both gone his then-wife Lisa Hammer. His film credits adjoin 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 furthermore composed the music for the 1997 film A, B, C... Manhattan. He and Christopher McCulloch are the co-creators, writers, and editors of the vivacious television series The Venture Bros. (2004–2020), in which Hammer voices several recurring characters including Billy Quizboy, Henchman 21, Dr. Mrs. The Monarch, and Dermott Fictel. The sham is produced through Hammer and McCulloch's company Astro-Base Go. Hammer is after that the guitarist and plus vocalist of the band Weep, which formed in 2008. In 2021 Hammer founded the band Pageant Girls taking into consideration vocalist Ivy Jaff.