SHELDON MOLDOFF

According to Wikipedia: "Sheldon 'Shelly' Moldoff was an American comic book artist best known for his early work on the DC Comics characters Hawkman and Hawkgirl, and as one of Bob Kane's primary "ghost artists" (uncredited collaborators) on the superhero Batman. He co-created the Batman supervillains Poison Ivy, Mr. Freeze, the second Clayface, and Bat-Mite, as well as the original heroes Bat-Girl, Batwoman, and Ace the Bat-Hound. Moldoff is the sole creator of the Black Pirate."