Kristian Eivind Espedal (born 7 August 1975), better known by his stage name Gaahl, is a Norwegian vocalist. He is best known as the former frontman of Norwegian black metal band Gorgoroth. He is also the founder and frontman of Trelldom and Gaahlskagg. Since leaving Gorgoroth he has been involved with God Seed and Wardruna. Gaahl was the focus of a documentary in 2007.