Katara

Katara is a fictional character in Nickelodeon's animated television series "". The character and series were created by Michael Dante DiMartino and Bryan Konietzko. 
Katara is voiced by Mae Whitman and will be played by Kiawentiio Tarbell in the . Her family is her brother Sokka, her father Hakoda, her mother Kya, and her grandmother Kanna.