Sulo Onni Kolkka was a probably fictional Finnish sniper who allegedly served in the Winter War (1939-1940) between Finland and Soviet Union which formed part of World War II. During 105 days of combat Kolkka was credited with more than 400 enemy kills as a sniper in the Winter War. He is alleged to have used an iron sighted Mosin-Nagant rifle. He is alleged to have often taken the war to the rear of the Soviet lines, … Wikipedia
The definitive Wikipedia entry for Sulo Kolkka. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Sulo_Kolkka