Metal drummer who is known for his work with the bands Nightwish and Sethian.
He was introduced to the drums at age eleven.
He signed his first music contract with Tuomas Holopainen at age seventeen.
He and his wife Satu had three children named Luna, Niki, and Lara.
He became bandmates with Marco Hietala , in Nightwish, in the year 1996.