Because you like Jennifer Jareau in Criminal Minds

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.

Nancy Wheeler is popular but independent, sheltered but gutsy. See them in Stranger Things.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

Merry Brandybuck is a troublemaking hobbit with a brave streak that some might call foolhardy. See them in The Lord of the Rings.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

A loyal assistant to Nelson and Murdock, Karen Page has a way of finding trouble. See them in Marvel Cinematic Universe.

A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.