Ole Christian Öhman (born 13 October 1973), also known as Bone W. Machine, is a Swedish drummer who was a member of the metal bands Dissection from 1990 to 1995, Ophthalamia from 1995 to 1998, and Deathstars from 2000 to 2011. He appeared on two studio albums with Dissection and Ophthalamia and three albums with Deathstars.
