Three 6 Mafia, also known as Triple 6 Mafia and Da Mafia 6ix, is an American hip hop group originally from Memphis, Tennessee, signed to Sony Music Entertainment under the Columbia Records imprint. The group was formed by DJ Paul, Lord Infamous, and Juicy J in 1991 and was at first known as Triple 6 Mafia. During the group's earlier years they were known as Backyard Posse before becoming known as Triple 6 Mafia and often worked with members of the Prophet Posse and the Gimisum Family. Koopsta Knicca joined the group in 1994. Crunchy Black was at first added to the group as a dancer in 1995 and Gangsta Boo became a full member of the group after the release of the debut album Mystic Stylez.