Slaughterhouse is a hip hop group consisting of rappers Crooked I, Joe Budden, Joell Ortiz and Royce da 5'9". The group formed in late 2008 after Crooked I, Joell Ortiz and Royce Da 5'9" appeared on the song "Slaughterhouse" from Joe Budden's album Halfway House. They took their name from the song. The members of Slaughterhouse all share some degree of controversy from their past in the music industry. Read more about Slaughterhouse on Last.fm.