JOKER-SIGNAL	BIOGRAPHY
Created by ? and Jerry Robinson

TECHNICAL DATA

Name: Joker-Signal
DCU Creator(s): Joker
Homebase: Gotham City
First Appearance: Batman Vol. 1 #37/3 (October-November 1946): "The Joker Follows Suit"
Creators: ? and Jerry Robinson

CHRONOLOGY

For a definitive list of appearances of Joker-Signal in chronological order click here