Because you like Daniel LaRusso in The Karate Kid

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Jasper Jordan is trying his best to make it through the night. See them in The 100.

M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.

Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.

The White Queen been treated horribly, but the day of her victory is almost near. See them in Alice in Wonderland.

Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.

Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.

Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.

Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.