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,
Superhero fiction detective the Clock, who debuted in Centaur Publications' "Funny Pages" #6 (Nov. 1936). Historians point to the first appearance of Superman, created by Jerome "Jerry" Siegel and designed by Joseph "Joe" Shuster, in "Action Comics" #1 (June 1938) as the debut of the comic-book archetype of the superhero. Outside the American comics industry, superpowered, costumed heroes such as Ōgon Bat (1931) and the (1930s), were visualized in painted panels used by kamishibai oral storytellers in Japan. In 1938, writer Jerry Siegel and artist Joe Shuster, who had previously worked in pulp science fiction magazines, introduced Superman. (Siegel, as the writer,