Vocalist, songwriter, and bassist known for his longtime use the symphonic steel music group Nightwish. As an adolescent, he received traditional guitar and tone of voice schooling. He released albums using the rings Tarot and North Kings. He and his wife Manki Hietala became parents to twin sons called Antto and Miro. He started executing with Jukka Nevalainen and Nightwish in 1996.