Sigurd Wongraven (born 28 November 1975), also known as Satyr, is a Norwegian musician who is the vocalist, guitarist, bassist and keyboardist for the black metal band Satyricon.

Wongraven was a founding member of Satyricon (although the band had been around for a short length of time as Eczema without him) and have so far released nine albums, two demos, and a live DVD.

He has also contributed to other bands such as Darkthrone, Eibon, Storm, Thorns, Black Diamond Brigade and Wongraven.

About black metal, he stated "It, black metal, doesn't necessarily have to be all satanic as long as it's dark.

[3] Wongraven was diagnosed with a brain tumor in October 2015, which he says does not need to be removed surgically, "as long as it does not grow bigger.