Markku Onttonen was born on June 6, 1947, in Mikkeli, Finland.
Markku Linnoila died in 25 February 1998 of cancer.
Markku Blomqvist died on July 20, 2000, in Kajaani, Finland.
Markku Peltola died on December 31, 2007, in Kangasala, Finland.
Markku Lahtela died on July 31, 1980, in Nummi, Finland.
Markku Suominen died on May 22, 2013, in Oulu, Finland of throat cancer.
Markku Honkanen died on November 16, 1994, in Olonets, Republic of Karelia, Russia of car accident.
Markku Into was born in 1945.
Markku Savolainen's birth name is Markku Edvard Savolainen.
Markku Blomqvist's birth name is Markku Valdemar Blomqvist.
Markku Aro's birth name is Markku Tuomas Puputti.
Markku Nirola's birth name is Markku Ensio Nirola.