Stian Johannsen

Stian Johansen is a Norwegian musician known under the stage names Occultus, Cultoculus and Culto Prietsu, among others. He is the vocalist in the black metal bands Thyabhorrent and Perdition Hearse. He was also briefly the vocalist and bassist for the black metal band Mayhem for some months in 1991 after the suicide of previous singer Per Yngve "Dead" Ohlin. During this time, he was one of the co-founders of the infamous record store Helvete ("hell") in Oslo - an important meeting place for many in the Norwegian black metal scene at the time.