Batman (comic book) work, and first interior-story work, appeared in "Batman" #19 (Oct.-Nov. 1943), for which he drew the cover and the first three Batman stories, and penciled the fourth Batman story, inked by Norm Fallon. Like all Batman artists of the time, Sprang went uncredited as a ghost artist for Kane. Villains which debuted during this early era included the Mad Hatter in issue #49 (October 1948) and Killer Moth in issue #63 (February 1951). In 1953, Sheldon Moldoff became another one of the primary Batman ghost artists who, along with Win Mortimer and Dick Sprang, drew stories credited to Bob Kane,
Bob Kane the script of that, so he really was co-creator, and Bob and I did the visuals, so Bob was also." According to comics historian Les Daniels, "nearly everyone seems to agree that Two-Face was Kane's brainchild exclusively". Catwoman, originally introduced by Kane with no costume as "the Cat", was partially inspired by his cousin, Ruth Steel. Kane, a frequent movie goer, mentioned that Jean Harlow was a model for the design and added that "I always felt that women were feline". Kane created the Scarecrow and drew his first appearance, which was scripted by Finger. Kane also created the original