Because you like Mark Watney in The Martian

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars 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.

Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.

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

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.

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

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

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

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

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.

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

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.