CharacterBatman Xx (Introduction and Origin), The Joker Xx, Klar Ken T5477, Roy Raymond, Muto, Batman Xx, Batman the 19th (Father of Bron, in Flashback, Death), Bron Wayn E7705, Karen, The Joker Xx (Introduction and Death), Superman Xv (in Flashback), Batman Xv (in Flashback), Super-Turtle, Batman VI (in Flashback), Superman (Clark Kent), Superman VI (in Flashback), Joker Xix (Joker Xx's Father, in Flashback)
Series TitleWorld's Finest Comics
Issue Number166
Additional Product Features
Number of Pages36
Publication DateMay 1967
AttributionPortions of content provided by the Grand Comics Database under Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0)