Thorr's Hammer was an American/Norwegian death doom metal band. Thorr's Hammer was formed in Ballard, Washington, United States by Greg Anderson and Stephen O'Malley during winter 1994-1995. Soon after, Runhild Gammelsæter, then 17-year-old Norwegian exchange student, joined the band as vocalist and lyricist. The band reached its final form when Jamie Sykes and James Hale joined. The band was active only for six weeks during which it played two gigs and recorded a demo and an EP entitled Dommedagsnatt.

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