when was this founded?
October 16, 1923
Walt Disney Animation Studios
 Founded on October 16, 1923 by brothers Walt Disney and Roy O. Disney
who does the voice for anna in frozen Kristen Bell who are the other main characters in the movie? Anna, Elsa and Kristoff does the first character appear in any other movies or sequels? Yes, a fictional character who appears "Frozen" and its sequel "Frozen II". under which studio banner are these movies released? Walt Disney Animation Studios
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Walt Disney Animation Studios [SEP] Introduction
Walt Disney Animation Studios (WDAS), sometimes shortened to Disney Animation, is an American animation studio that creates animated features and short films for The Walt Disney Company. Founded on October 16, 1923 by brothers Walt Disney and Roy O. Disney, it is one of the oldest-running animation studios in the world. It is currently organized as a division of Walt Disney Studios and is headquartered at the Roy E. Disney Animation Building at the Walt Disney Studios lot in Burbank, California. Since its foundation, the studio has produced 58 feature films, from "Snow White and the Seven Dwarfs" (1937) to "Frozen II" (2019), and hundreds of short films.