Because you like Ishmael in Moby Dick

Woody is a selfless leader of Andy's toys who likes change less than a snake in his boots. See them in Toy Story.

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

He might look like a pretty boy, but resourceful Leon Scott Kennedy is the man to have at your side during a crisis. See them in Resident Evil Series.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.

Running away from murderous aliens has turned into an interstellar chase for Jupiter Jones. See them in Jupiter Ascending.

A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

Noah Calhoun is lost without Allie, who seems to have moved on. See them in The Notebook.