Because you like Mello in Death Note

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Willow Rosenberg may be a witch who can defeat the forces of evil, but she still gets emotional over kittens on the Internet. See them in Buffy the Vampire Slayer.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.

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.

Olivia Benson brings order to a world full of chaos. And she never forgets who she's fighting for. See them in Law & Order: Special Victims Unit.