There are two bands under this name (not to be confused with the German Nagelfar): 1) Naglfar is a melodic black metal/blackened death metal band from Umeå, Sweden. The group was formed by Jens Rydén and Kristoffer Olivius, originally under the name "Uninterred". The group's style combines traditional black metal with certain melodic death metal elements. Naglfar formed in 1992. The band was originally called "Uninterred", and was founded by Jens Rydén on vocals and guitar, and Kristoffer Olivius on bass.