Carcass are a British band formed by Napalm Death guitarist Bill Steer together with drummer Ken Owen in 1985. They are based in Liverpool. In 1987, bassist and vocalist Jeff Walker, formerly of the Electro Hippies, joined them, who grew up in the North East of England. Carcass have been a very influential band within the grindcore and death metal scenes. They disbanded in 1995, but will reunite in 2008. And we shall also notice that at in early days all of those guys were vegetrians and vegans! And I think some of them still are! Vegan,guttural and metal!
This is a quote from one interwiew which Ken Owen tells a bit more: