Because you like Dr. Manhattan in Watchmen

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.

Bo Dennis once dreamed of being prom queen, but then she found out that she's part of some ageless secret race that feeds on humans. See them in Lost Girl.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

Janet Weiss is just like any other girl trapped in a bizarre burlesque-show castle. See them in The Rocky Horror Picture Show.