Because you like Aldo Raine in Inglourious Basterds
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Ofelia is face-to-face with the deadliest creatures of the underworld and completely unafraid. See them in Pan's Labryinth.
A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.
Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.
Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .
In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.