Christopher McCulloch (born September 14, 1971), also known by the pseudonym Jackson Publick, is an American comic book and television writer, director, storyboard artist, and voice actor 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.
Before he became a student at Rutgers University, Christopher McCulloch worked in his hometown comic-book shop and wrote comics stories in his spare time. His employer published his superhero spoof Cement Shooz, and when McCulloch promoted it at a comic book convention in New York, he was approached by Ben Edlund, creator of the comic-book character the Tick, who had read Cement Shooz and offered McCulloch the chance to write for a spinoff of The Tick. McCulloch wrote The Tick" Karma Tornado #1-4, additionally penciling issue #3. When Fox Broadcasting increased its order of Edlund's animated series The Tick, McCulloch was drafted as a staff writer and a storyboard artist.