Kristoffer Rygg (9 September 1976), also known as
Garm,
Trickster G. Rex and recently
God Head, is a double
Spellemannprisen-nominated and double Oslo-prize winning vocalist, musician and producer known as the frontman of
Ulver as well as being former producer, lyricist and singer of
Arcturus. Rygg is noted for his multi-range singing styles and production talent in a wide array of styles, including
black metal,
avant-garde metal and rock,
psychedelic,
experimental music,
ambient,
electronica and
film music.