Issue: #6 MJ
The Joker's latest crime spree has him matching wits with Clive Sigerson, an actor convinced that he is his starring role - Sherlock Holmes!
First appearances: Clive Sigerson
Creators: Dennis O'Neil, Julius Schwartz, Irv Novick, Tex Blaisdell, Ernie Chan
Characters: Joker, Clive Sigerson