Insane Clown Posse (ICP) is a Detroit-based horrorcore duo established in 1989. Its current members include Violent J and Shaggy 2 Dope. The group was originally a trio called Inner City Posse and included Shaggy's brother John Kickjazz wholeft the group shortly before the release of the band's debut album "Carnival of Carnage" (1992). This album represented the first "Joker's Card", which began the group's mythological Dark Carnival. Two Joker's Card decks have been released, with six cards in the first and second deck respectively. The sixth card of the sixth deck, "The Naught" was released in 2025. Fans of ICP are called "Juggalos" and have created a unique subculture which includes attending a yearly music festival hosted by ICP called "The Gathering of the Juggalos" as well as other concert-events like "Hallowicked" and "Juggalo Day". Additionally, ICP has ventured into wrestling with its own wrestling promotion, Juggalo Championship Wrestling.