Because you like Liesl von Trapp in The Sound of Music

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.

Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.

As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

Marie Antoinette may be a fun-loving queen who has it all, but her husband doesn't know how to have sex, and an angry mob wants to cut off her head. See them in Marie Antoinette.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.

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.

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.