Because you like Martha Jones in Doctor Who

For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.

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.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

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

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.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Rue Bennett has been overprescribed and under-supervised her entire life. See them in Euphoria.

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.

When it comes to Haruko Haruhara, there's more to the pink-haired biker than meets the eye. See them in FLCL.

While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.

With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.

Rukia Kuchiki is a cool and collected warrior who has trouble opening up to anyone. See them in Bleach.