Because you like Katara in Avatar: The Last Airbender

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.

A no-nonsense hitman with a taste for good burgers and divine justice, Jules Winnfield will go to great lengths to please his boss. See them in Pulp Fiction.

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

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .

A sadistic sociopath, Lil Z is helping make the City of God slum a Hell on Earth. See them in City of God.

A photographic memory is just one of many skills Lexie Grey brings to the table as a surgeon. See them in Grey's Anatomy.

For Sly Cooper, stealing isn't just about the haul. It's also about the journey. See them in Sly Cooper.

Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.

Equal parts klutzy and clever, Ella is not afraid to take her fate into her own hands. See them in Ella Enchanted.