Because you like Addison Montgomery in Grey's Anatomy

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

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.

Winry Rockbell is an energetic tomboy mechanic with an empathetic streak. See them in Fullmetal Alchemist.

Anyone who's said "Don't worry, it's just a dream" never met Freddy Krueger. See them in A Nightmare on Elm Street.

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.

Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.

A powerful dragon-hunting warrior, Dovahkiin is destined for great things. See them in The Elder Scrolls V: Skyrim.

Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.

Frank N. Furter is just a sweet transvestite with some not-so-sweet plans. See them in The Rocky Horror Picture Show.

Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.