Because you like David Nolan in Once Upon a Time

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

Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

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

With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.

There's no obstacle too great for this charismatic treasure-hunter. See them in Uncharted.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.