Real Name: Unknown
Occupation: Criminal
Marital Status: Unknown
Base of Operations: Gotham
Height: Unknown
Weight: Unknown
Eyes: Unknown
Hair: Unknown
First Appearance: Joker #1 (May 1975)
Created By: Denny O'Neil

Southpaw was a recurrent henchman of the Joker a few years ago, and often appeared together with gang buddies "Blue Eyes" and "Tooth". It is possible that he was eventually killed by his own boss, as so many other of the Joker's henchmen have been.