Because you like Kesuke Miyagi in The Karate Kid
Davos Seaworth is steadfast, intelligent, and trustworthy, which are hard traits to find in a place like Westeros. See them in Game of Thrones.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.
Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.
No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.