Because you like Morticia Addams in The Addams Family
Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.
George Weasley likes to invent quirky joke products, play Quidditch, and cause poor Mrs. Weasley a lot of anxiety. See them in Harry Potter Series.
The chronically bizarre Dwight Schrute is the world’s most dependable assistant to the regional manager. See them in The Office.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.
Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.
Freddie Freeman is a superhero aficionado with a dark sense of humor. See them in DC Extended Universe.
A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.
Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.
Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.