Doctor Tzin-Tzin was a Fu Manchu-inspired, Asian-looking (but actually American) crime lord who battled Batman several times and once encountered Jonny Double and Supergirl (Power Girl in current continuity). Tzin-Tzin was seemingly killed on an airship during a battle with Peacemaker.
Doctor Tzin-Tzin was a Fu Manchu-inspired, Asian-looking (but actually American) crime lord who battled Batman several times and once encountered Jonny Double and Supergirl (Power Girl in current continuity). Tzin-Tzin was seemingly killed on an airship during a battle with Peacemaker.