Because you like Ryan Stone in Gravity

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Cynical, judgmental, and hipper-than-thou, Enid Coleslaw wears her outsider status like a badge of honor. See them in Ghost World.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.