|Jack Kirby's Fourth World |
This character or group of characters are related to Jack Kirby's Fourth World, either the original concept and group of titles by Jack Kirby, or any of their subsequent adaptations by other creators. This template will categorize articles that include it into the Fourth World Characters category.
|Superman Villain(s) |
This character is or was primarily an enemy of Superman in any of his various incarnations, or members of the Superman Family. This template will categorize articles that include it into the "Superman Villains category."