Because you like Tina Cohen-Chang in Glee

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

Resourceful and courageous, Chun-Li is dedicated to using her considerable strengths against evil. See them in Street Fighter.

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

Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.

This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.

Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.

With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.

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

V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.

John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.