Insane Clown Posse (abbreviated as ICP), is an American hip-hop duo composed of Violent J (Joseph Bruce) and Shaggy 2 Dope (Joseph Utsler). ICP has earned two platinum and five gold albums. According to Nielsen SoundScan, the entire catalog of the group has sold 6.5 million units in the United States and Canada as of April 2007. The group has established a dedicated following called Juggalos numbering in the "tens of thousands". Founded in Detroit in 1989, Insane Clown Posse performs a style of hardcore hip hop known as horrorcore and is known for its elaborate live performances.