Because you like Chris Redfield in Resident Evil Series
A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.
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.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
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.
Society may reject Felicia, but this bubbly catwoman just wants to spread happiness to others. See them in Darkstalkers .
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.
Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .
A reformed former outlaw, John Marston doesn't want any trouble, yet somehow trouble always seems to find him. See them in Red Dead Redemption.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.