Because you like Martha Jones in Doctor Who

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

Self-described as half-Slytherin, half-Ravenclaw, Molly Davidson has a big, demanding personality that doesn’t always leave space for other people’s emotions. See them in Booksmart.

Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.

Popular jock Andrew Clark is pretty bizarre. He's just better at hiding it, that's all. See them in The Breakfast Club.

Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.