Because you like Khan Noonien Singh in Star Trek Into Darkness

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Aladdin is a street-thief who is on his way up. Way, way up! See them in Aladdin.

Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.