Because you like Gilderoy Lockhart in Harry Potter Series

An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.

Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.

Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

Marie Antoinette may be a fun-loving queen who has it all, but her husband doesn't know how to have sex, and an angry mob wants to cut off her head. See them in Marie Antoinette.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.