Because you like Mark Watney in The Martian

A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..

There are men who embrace destiny and do not show their fear. These are the ones that change the world forever. See them in Dragon Age Series.

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.

N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.

Ezio Auditore Da Firenze is a little short-tempered, a lot fun-loving. See them in Assassin's Creed Series.

Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.

A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.