Because you like Hayley Smith in American Dad!

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.

This ice queen is learning to let it go. See them in Frozen.

His name is Olaf, he's a snowman, and he likes warm hugs. See them in Frozen.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.