There are multiple artists with this name
1. A Black Metal band from Norway
2. A British psychedelic band
3. An incorrect tag 1.
Gaahl (Kristian Eivind Espedal) - Vocals (Gaahlskagg, Gorgoroth, Sigfader, Wardruna, God Seed)
Valgard (Ronny) - Guitars
Sir (aka Sir Sick aka Stian) - Bass (God Seed) Sir briefly played the guitar for the Gaahl and King ov Hell version of “Gorgoroth” in 2008 before the rights to the name were granted to Infernus