Because you like Daniel LaRusso in The Karate Kid

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

His nickname of 'Zero' says a lot about what other people think of him, but he's finally standing up for himself. See them in Holes.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

One of seven supernatural babies who was born to a mother who was never pregnant, Ben Hargreeves is trying to save the world from an apocalypse in 8 days. See them in The Umbrella Academy.

Luke Skywalker always wanted to leave home, but he didn't expect that it would be as part of a quest to rescue a princess and save the galaxy. See them in Star Wars Series.

Amy March blends her naturally artistic spirit with a sense of practicality. See them in Little Women.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.