Because you like Kesuke Miyagi in The Karate Kid

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.

Albus Dumbledore oversees the most unsafe school in recorded history, with Dementors and giant arachnids run amok. See them in Harry Potter Series.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

Arguably the world's worst boss, Michael Scott is desperate for love, praise and a suggestion for an improv scene. See them in The Office.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

A place as peaceful and enlightened as Piltover has no tolerance for a criminal like Jinx. See them in League of Legends.

A sweet princess , Giselle is about to realize that life is no fairy tale. See them in Enchanted.

Much more than just "Coach Taylor's wife," Tami Taylor is making herself known in town as a caring, persistent guidance counselor. See them in Friday Night Lights (TV).

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.