Moon Girl is a fictional character published by EC Comics from 1947 to 1949. Moon Girl is a character from the Golden Age of Comic Books and has since passed into the public domain. Her secret identity is Claire Lune, a junior high history teacher.

Sheldon "Shelly" Moldoff was an American comics 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" 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. Moldoff is not to be confused with fellow Golden Age comics professional Sheldon Mayer.