History of character has not yet been written.
- The King of the Cats first appeared in Earth-Two continuity in Batman #69 by Bill Finger and Lew Sayre Schwartz. He was reintroduced in Post-Crisis New Earth continuity in Seven Soldiers: Bulleteer #3 by Grant Morrison and Yanick Paquette.
- The original Earth-Two version of the character was Karl Kyle, the brother of Selina Kyle a.k.a. Catwoman. No surname was ever revealed for the New Earth version nor was a connection established with the Post-Crisis version of Catwoman.
- 1 Appearances of King of the Cats II (New Earth)
- 1 Images featuring King of the Cats II (New Earth)
- Quotations by or about King of the Cats II (New Earth)
- Character Gallery: King of the Cats II (New Earth)