Mirka Rantanen (born 1971 or 1972 (age 52–53))[1] is a Finnish musician. He was the drummer for power metal band Thunderstone when it formed in 2000.[2] Rantanen has also drummed for a number of other Finnish bands, including as a session member for the supergroup Northern Kings.[3] He currently plays drums in the band King Company.
Rantanen started a heavy metal band for children called "Hevisaurus" in 2010. His character is an Apatosaurus called "Komppi Momppi".[4]