Because you like JC Denton in Deus Ex Series
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
For Kazuya Mishima, the power of the Devil is now his and his alone. See them in Tekken .
A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.
Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.
Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.
Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.
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.
A hardboiled 1940s detective, Cole Phelps is haunted by his past in World War II. See them in L.A. Noire.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.