Because you like Morticia Addams in The Addams Family
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.
Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.
A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.
When Jessica Jones is not throwing back drinks, she's taking down bad guys with her strength, detective skills, and foul-mouthed insults. See them in Marvel Cinematic Universe.
Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.
Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.
Altair Ibn-La'Ahad is as much a philosopher and detective as he is a killer. He takes nothing at face value and continually searches for deeper truths. See them in Assassin's Creed Series.
Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.
Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.