Because you like Rose Tyler in Doctor Who

Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Tempestuous and talented, Claire Randall is a woman with a passionate heart and a quick mind. See them in Outlander.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

Sansa Stark is a fan of all things pretty. Unfortunately, her life is about to get extremely ugly. See them in Game of Thrones.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Molly Weasley runs a household teeming with magic: gnomes run around the garden, dishes wash themselves, and noisy ghouls rule the attic. See them in Harry Potter Series.

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Bumbling, jolly, and loyal, Rubeus Hagrid has the uncanny ability to make the best of a bad situation. See them in Harry Potter Series.

How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.