Joker (Arkhamverse: Joker Earth)

Batman Villain(s)
This character, team or organization, has been primarily an enemy of the Batman, or the Batman Family as a whole. This template will categorize articles that include it into the category "Batman Villains."

This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."

Suicide Squad member
This character is or was a member of the Suicide Squad, a team of imprisoned super-villains who perform high-risk missions for the U.S. Government in exchange for commuted sentences, in any of its various incarnations. This template will categorize articles that include it into the "Suicide Squad members" category.