Because you like C3PO in Star Wars Series

Small and curious, he is a 50-year-old baby of a peculiar green species with unusual abilities. See them in The Mandalorian.

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.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

With her mastery of martial arts and her prodigious building skills, Wyldstyle projects an air of invincibility. But she's not bulletproof. See them in The Lego Movie.

Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.

Charlie is a Type A theater director dealing with something out of his control: a painful divorce. See them in Marriage Story.