Because you like Nymphadora Tonks in Harry Potter Series

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.

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

First Lady Melody Grant is conspiring to stay in the White House, but she stays a few steps behind her husband because that’s where she "belongs." See them in Scandal.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

Aiden Pearce is a hacker who knows how dangerous the world can be, both online and off. See them in Watch Dogs.

Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.

Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

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