What DC Comic book did the Joker originally appear in 1940?
The Joker (comic book) The Joker is a comic book series published by DC Comics starring the super-villain the Joker. It ran nine issues from May 1975 until October 1976.
Powerhouse Pepper Powerhouse Pepper is an American humor comics series by Basil Wolverton, published in the 1940s by Timely Comics, a predecessor of Marvel Comics. He first appeared in the humor anthology "Joker Comics" #1 (April 1942). His final appearance occurred in Spring 1948.