Because you like Kathryn Janeway in Star Trek Voyager

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

A conflicted small-town preacher, Jesse Custer leaves an unexpectedly bloody path in his wake. See them in Preacher.

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.

Though Ray Holt is a man of few words and even fewer smiles, he cares deeply about his precinct and detectives. See them in Brooklyn Nine-Nine.

In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.

Kenny McCormick is a boy of few words who likes nudie mags, NASCAR, monster trucks, origami, and Peruvian pan flute bands. See them in South Park.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.