Because you like Hal 9000 in 2001: A Space Odyssey

Frank N. Furter is just a sweet transvestite with some not-so-sweet plans. See them in The Rocky Horror Picture Show.

Don't let Princess Peach's sweet, gentle nature fool you. Princess Peach can put up a good fight. See them in Super Mario Bros..

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Aiden Pearce is a hacker who knows how dangerous the world can be, both online and off. See them in Watch Dogs.