I would have to say Gordon Freeman from Half-Life game series, and Agent William "B.J." Blazkowicz From Return To Castle Wolfenstein and other games from that series. (not series but Wolfenstein games)
Keep the short, effortless posts to a minimum please. Thank you.
Lavos from Chrono Trigger, the cosmic destroyer that sucks in the DNA of planets and uses it to further better the ambitions of those that created him.
Ok, you all forgot the great Halo hero, Master Chief. Master Chief is by far the most epic character name in all of gaming history, when it's said your vocal cords want to say it again.