Katie is a character from the 2008 animated film Horton Hears a Who! , based on Dr. Seuss's book. She is depicted as a cute, eccentric, and somewhat odd yellow yak calf who is one of Horton's students in the Jungle of Nool
. Katie enjoys spending time with Horton and is part of the group of jungle children he educates
. The character is voiced by Joey King in the film
. Katie stands out visually as an abnormal yellow yak and is known for her quirky personality. She appears throughout the film as part of Horton's supportive circle, contributing to the story's themes of belief and standing up for others, though she is not a central figure in the main plot about Horton protecting the tiny Whos on a speck of dust
