Pantera was an American heavy metal band from Arlington, Texas, formed by the Abbott brothers, Vinnie Paul (drums) and "Dimebag" Darrell (guitar), then known as Diamond Darrell, in 1981. Bassist Rex Brown then known as Rex Rocker would join in 1982, with vocalist Terry Glaze. In 1987 Phil Anselmo would become the group's lead vocalist, completing the band's most successful lineup that would remain together for 16 years.