Because you like Harry Lime in Home Alone

Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

If Eleanor Shellstrop's true identity is revealed, she'll be sent to The Bad Place. See them in The Good Place.

If the benchmark is extraordinary, what do you do if you're not like Vanya Hargreeves? See them in The Umbrella Academy.

A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.

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

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

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.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.