Katara

Katara is one of the main protagonists of the Nickelodeon animated series Avatar: The Last Airbender, while a supporting protagonist in the spin-off series Avatar: The Legend of Korra. A skilled waterbender warrior hailing from the Southern Water Tribe, Katara befriended Sokka in finding the legendary "Avatar", in the form of Aang, in order to battle the expansionist Fire Nation. Over the progress of her original journey, Katara clashed with deadly foes, including the former waterbender-turned-bloodbender Hama, and the Fire Nation's royal family: Fire Lord Ozai; Princess Azula; and Prince Zuko. She appears in the events of the second Heroes vs. Villains, this time interacting with more allies and enemies alike.