As of my last update in early 2023, Martin Simmonds is a UK-based comic book artist and illustrator best known for his work in the comic book industry. He has gained recognition for his distinctive art style which often involves a blend of traditional and digital techniques. Some of his notable works include "Punks Not Dead," which he co-created with writer David Barnett, and his work on "The Department of Truth" with writer James Tynion IV, which has been praised for its intricate artwork and engaging storytelling. His contributions to the medium have earned him a growing fan base and acclaim within the comic book community.