He was a prolific comic-book artist whose career began at age 16, drawing for Marvel UK's Hulk magazine. He collaborated with writer Garth Ennis on Hellblazer and Preacher. He was a regular contributor to Doctor Who Magazine, creating the character Abslom Daak. He worked on the comic anthology Warrior from its inception in 1982. He also drew for the British sci-fi and fantasy comic 2000AD, where he was best-known for his work on Judge Dredd.