Because you like Sarah Kerrigan in StarCraft
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
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.
Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.
A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.
Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
It turns out Dracula's son Alucard has some pretty severe daddy issues. See them in Castlevania.
A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.