Because you like Liu Kang in Mortal Kombat
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.
A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.
Zeratul is cryptic, mystic, and not to be messed with. See them in StarCraft .
After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.
Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.
With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.
Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.
After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.
It turns out Dracula's son Alucard has some pretty severe daddy issues. See them in Castlevania.
A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.
Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.