Slaughter Diabolic Force (Slaughter), StrappadoPioneering Canadian death/thrash metal band, widely considered as one of the earliest proto-death metal acts and highly influential in the nascent death metal underground. Slaughter was formed in 1984 and released two demo tapes that year, followed by another demo and a live tape in 1985. Their first "official" release was the Nocturnal Hell 7" in 1986, followed up by their classic album Strappado in 1987. The band released two more demo tapes in 1988, but they called it a day in 1989. They briefly reformed in December 1994 but split up again in 1995.