There are apparently three different Galder. One Galder is a Norwegian guitarist and vocalist whose real name is Thomas Rune Andersen. Another Galder was a group from sweden playing their own music in tradition of swedish folk music. The third Galder is a small gammaldans-group from Vestlandet, Norway. Norwegian Galder is a founding member of the black metal band Old Man's Child as well as a guitarist in Dimmu Borgir. In 1993, under the stage name Grusom, he, Jardar and Tjodalv created Old Man's Child.