Mikhail Kalashnikov was a Soviet and Russian lieutenant general, inventor, and small arms designer. He is most famous for developing the AK-47 assault rifle and its improvements, as well as the RPK light machine gun and PK machine gun.
This is based on winning 3 head-to-head matchups with other famous people, but also losing 8 head-to-head matchups.
Most recently Mikhail Kalashnikov lost a matchup to Skrillex (#1293) voted by someone from United States.