Because you like Darcy Lewis in Thor

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.

Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

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.

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

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.

Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.