Cartoonist and writer most known for his work on Comic Icon, The Tick, and the show The Venture Bros.
He graduated from Rutgers University, publishing several of his original comics in the Rutgers Review.
Ben Edlund, who created The Tick, met McCullouch at a comic book convention and offered him the opportunity to write for his original series.
He was raised in Brooklyn, New York.
He worked with veteran actor Jerry Nelson on the series Sheep in the Big City.