Strelok

...The original Strelok.the protagonist of the 1st game in S.T.A.L.K.E.R. series-Shadow of Chernobyl. A soldier in past.got into the Zone with one of the first expeditions .he was the only survivor in the whole crew.and saved himself. He is a mature Stalker,a legend,yet he is a simple man who doesnt need much for life. He single-handly destroyed the forces of Monolith....and destroyed its Graal.