Because you like Ava in Ex Machina

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.

Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.

Most kids hope for a car for their 16th birthday, but Mia Thermopolis' present is a country to rule. See them in The Princess Diaries.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.