Guitarist for Norwegian black metal band Darkthrone from 1988 to 1993. He went by his real name, Ivar Enger, for the first Darkthrone release in 1990, %22Soulside Journey%22. When Darkthrone switched from death metal to black metal for their second release in 1991, %22A Blaze In The Northern Sky%22, he changed his name to Zephyrous.