Because you like Allison Cameron in House M.D.

Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.

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.

Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.

Riley Blue is trying to outrun her bad luck, but she might not be fast enough. See them in Sense8.

All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

Amy March blends her naturally artistic spirit with a sense of practicality. See them in Little Women.

Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.

Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .