The Killjoy Club is a hip hop supergroup consisting of Insane Clown Posse (Violent J & Shaggy 2 Dope) and Da Mafia 6ix (DJ Paul, Crunchy Black & Koopsta Knicca).

n March 2014, DJ Paul announced Da Mafia 6ix and Insane Clown Posse would release a collaboration album in August 2014. In July 2014, during the Insane Clown Posse 2014 GOTJ seminar, it was announced that they had formed a group with Da Mafia 6ix called The Killjoy Club and that their debut album, titled Reindeer Games, would be released on September 2, 2014.

In August 2014, it was announced Insane Clown Posse and Da Mafia 6ix would be going on tour to promote the album, but doing their own respective sets. They will be going on tour with Mushroomhead, Madchild and JellyRoll titled ShockFest, starting on September 25, 2014, and ending on October 31. On August 14, 2014, the track listing was released, the album features guest appearances from Young Wicked aka Otis of Axe Murder Boyz, Big Hoodoo and Boondox.