Because you like Saruman in The Lord of the Rings

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

Manipulative, gorgeous, and sharp as a tack, Blair Waldorf is a classic product of the Upper East Side. See them in Gossip Girl.