Because you like Nala in The Lion King
The Little Prince is a childlike wonder personified in a tiny package. See them in The Little Prince.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Daniel LaRusso is a Jersey kid in L.A. who is learning about karate and life from the mysterious Mr. Miyagi. See them in The Karate Kid.
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.
Pepper Potts can run a company, manage an egomaniac, and take down bad guys, all without breaking a sweat. See them in Marvel Cinematic Universe.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Bob Belcher runs a lonely burger joint, and even though his wit is lost on his eccentric family, he doesn't let that faze him. See them in Bob's Burgers.
A speed-loving daredevil who lives on the edge, Sonic is as brave as he is cocky. See them in Sonic the Hedgehog.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.