Because you like Claire Standish in The Breakfast Club
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.
Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.
Albus Dumbledore oversees the most unsafe school in recorded history, with Dementors and giant arachnids run amok. See them in Harry Potter Series.
Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.
Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.
Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.