Altaïr ibn La-Ahad, part of the Assassin's Brotherhood during the Third Crusade in the Holy Land in 1191. From
Assassin's Creed.
Big Boss/Naked Snake, Solid Snake's father, former FoxHound leader, and Sean Connery lookalike. From the
Metal Gear games.
JC Denton, a codename for the monotone cloned nanoaugmented cyborg special agent you play as in
Deus Ex.
Luigi, Mario's slightly less heroic brother from the
Mario games.