Because you like Agent 47 in Hitman

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

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.

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.

If anyone can stay optimistic and friendly under harsh alien rule, it's Alyx Vance. See them in Half-Life 2.

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

A jaded skeptic who only wants to get paid, Garrett becomes involved in bigger struggles that force him to be less self-serving. See them in Thief.

All who live know his name, and all who oppose him shall know Death. See them in Darksiders Series.

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.

All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.