Carcass are an English extreme metal band from Liverpool, formed in 1985. The band have gone through several line-up changes, leaving guitarist Bill Steer and bassist-vocalist Jeff Walker as the only constant members. They broke up in 1996, but reformed in 2007 without original drummer Ken Owen, due to health reasons. To date, the band have released seven studio albums, two compilation albums, four EPs, two demo albums, one video album, and six music videos.

William Geoffrey Steer is a British guitarist and co-founder of the extreme metal band Carcass. He is considered a pioneer and an essential contributor to grindcore and death metal due to his involvement in Napalm Death and Carcass, two of the most important bands of those genres. Presently he plays with Gentlemans Pistols, the reactivated Carcass and appeared as a live second guitarist for Angel Witch from 2011 to 2015.