Abattoir

Abattoir was an American speed metal band founded in 1982 which went through a number of lineup changes.

Their first recording appearance was on Metal Massacre IV in 1983, during a time when their vocalist was John Cyriis, who later went to found Agent Steel. Juan Garcia, and Steve Gaines went on to be involved in other metal bands, including Evildead and Tactics. Future L.A. Guns founder Michael Jagosz was also briefly a vocalist for Abattoir during the early days.

On February 17 and 19, 1984, Abattoir was the opening act of the first two Megadeth shows. Cyriis was a former member of Megadeth.