Intro: PEP COMICS #25, March 1942.
The Walrus was a street performer who would pickpocket his audience. His “slight of hand” impressed a mob boss, and so, he was encouraged to be part of his gang. He was hired to knock off the rival gang leader, however, the Walrus double-crossed his new boss, and killed him and the other gang leader. This pitted the two gangs to fight it out. Fortunately, the Hangman witnessed the killings and was able to apprehend him.
Foe of the Hangman
*See listing for the Owl*