Bob Kane artists", drawing uncredited under Kane's supervision. Future "Justice League" writer Gardner Fox wrote some early scripts, including the two-part story "The Monk" that introduced some of The Batman's first "Bat-" equipment. In 1943, Kane left the Batman comic books to focus on penciling the daily "Batman" newspaper comic strip. DC Comics artists ghosting the comic-book stories now included Jack Burnley and Win Mortimer, with Robinson moving up as penciler and Fred Ray contributing some covers. After the strip finished in 1946, Kane returned to the comic books but, unknown to DC, had hired his own personal ghosts, including Lew Schwartz
American comic book tropes North America. There are many definitions of a superhero, and the subject is debated by scholars and industry professionals. Peter Coogan identifies influences to comic book superheroes in the form of super-strong comic strip characters, pulp heroes, masked vigilantes dubbed "mystery men", and precursors, who lack specific elements of modern superhero convention. According to Coogan, Superman is the first character to bring together all of the necessary elements. Coogan defines the superhero as "a heroic character with a selfless, pro-social mission" who has powers, a codename, colorful costume, and usually a secret identity. American comic books can be sold through