Eric "Doc" Hammer is an American voice actor, musician, writer and artist. 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. (2004–2020), in which Hammer voices several recurring characters including Billy Quizboy, Henchman 21, Dr. Mrs. The Monarch, and Dermott Fictel. The show is produced through Hammer and McCulloch's company Astro-Base Go. Hammer is also the guitarist and lead vocalist of the band Weep, which formed in 2008. In 2021, Hammer founded the band Pageant Girls with vocalist Ivy Jaff.

Christopher McCulloch, also known by the pseudonym Jackson Publick, is an American storyboard artist, writer, director, producer, and voice actor. He is known for his work on several Tick properties and for the animated television series The Venture Bros. He and Doc Hammer are the Venture Bros. co-creators, writers, editors, and directors, producing the show through their animation company Astro-Base Go. McCulloch voices over 20 characters in the series, including Hank Venture, The Monarch, and Sergeant Hatred.