Markku Juhani ”Mato” Valtonen (born 21 February 1955 in Loimaa) is a Finnish actor, musician and entrepreneur. Valtonen has been a member of the Finnish band Sleepy Sleepers since 1975 and the Leningrad Cowboys since 1989.
Mato Valtonen in 2011.
He was the CEO of WAPit telecommunications company from its inception in 1998 until it declared bankruptcy in 2001.
As an actor, Valtonen is best known for starring in Aki Kaurismäki's films starting with 1985's Calamari Union. In fact, all of Valtonen's film roles have been in films directed, written, and produced either by Kaurismäki or his older brother Mika. In addition to acting in them, Valtonen also wrote the storylines for Leningrad Cowboys Go America and Leningrad Cowboys Meet Moses.