Massacration is a Brazilian satirical heavy metal band, the self-proclaimed "greatest and most classic heavy metal band, the inspiration behind most heavy bands since 1985, whose members' hairdos and posing influenced the whole heavy metal culture". The classical line-up consists of Detonator (a castrato vocalist, Bruno Sutter), Blond Hammet (lead guitar, Fausto Fanti), Jimmy "The Hammer" (drums, Felipe Torres), Headmaster (rhythm guitar, Adriano Pereira) and Metal Avenger (bass, Marco Antônio Alves).