Because you like Beatrix Kiddo in Kill Bill vol. 1

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.

A plucky 13-year-old with a flair for the dramatic, Kiki is a witch in training. See them in Kiki's Delivery Service.

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.