Kvelertak are a Norwegian heavy metal band from Stavanger, formed in 2007. The group currently comprises vocalist Ivar Nikolaisen, guitarists Vidar Landa, Bjarte Lund Rolland and Maciek Ofstad, bassist Marvin Nygaard and drummer Kjetil Gjermundrød. Founding member and lead singer Erlend Hjelvik left the group in 2018, being replaced by Ivar Nikolaisen. Kvelertak have Norwegian lyrics and their main influences are rock and roll, black metal and punk rock.