Because you like Sandy Cheeks in SpongeBob SquarePants
Bran Stark discovered a scandelous family secret. He swore to keep quiet but soon found himself on the receiving end of attempted murder. See them in Game of Thrones.
Sokka is the group's self proclaimed comedian, occasionally he'll even make people laugh! See them in Avatar: The Last Airbender.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
A brilliant graduate student in Italy for "research," Oliver has other things on his mind: flirting, swimming, and dancing. See them in Call Me by Your Name.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.
In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.