Because you like Madame Vastra in Doctor Who

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

He may forget his homework, lose his toad, and fall off brooms, but Neville Longbottom can also single-handedly destroy villains. See them in Harry Potter Series.

Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

Introverted Kira Yukimura is sweet, bubbly, and eager to make friends. See them in Teen Wolf.

This elf loves smiling, eating sugar, and spreading Christmas cheer. And no matter what, Buddy always sees the best in people. See them in Elf.

Sokka is the group's self proclaimed comedian, occasionally he'll even make people laugh! See them in Avatar: The Last Airbender.

Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.

Brandon Teena is an adventurous young man with the courage to be himself. See them in Boys Don't Cry.

With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.