Brett has also illustrated the exploits of some of Marvel Comics' best known characters such as Spider-Man, the Fantastic Four, and the X-Men. The artist then expanded his career a touch when he contributed illustrations for the Anthropomorphic How-To book: 'Freaks! How To Draw Fantastic Fantasy Creatures. He is currently active as a paleoartist drawing dinosaurs for various publications and websites as well as continuing to draw comic books at Dabel Brothers Productions studios.