Real Name: N/A
Occupation: Villain
Marital Status: Single
Base of Operations: Gotham City
Height: N/A
Weight: N/A
Eyes: N/A
Hair: N/A
First Appearance: Detective Comics #354 (August 1966)
Created By: N/A

Dr. Tzin-Tzin was originally an Oriental ganglord trying to take over Gotham's Chinatown district. When Batman foiled that plot, Tzin-Tzin turned to mysticism, and became a master of hypnosis and illusion. He has also fought Supergirl and the Peacemaker.