The Cloak for Pow! in the 1960s to his artwork on Thundercap for Buster in the 1990s. (Use the search windows of this blog to find more about Mike and see some of his classic strips.)
Recently, for National Doodle Day, Mike drew a brand new illustration of Dopey Dinosaur, one of the many characters he created for children's books in the 1980s. The illustration is A3 size and in full colour, and is currently up for auction here:
The proceeds of the auction will go to the Epilepsy Action charity, which sounds like a very good cause. Bidding ends on Sunday.