The term ANIMATOR UNIT refers to three of the most influential animators in the history of animation. The first is CEL, which stands for celluloid, a type of transparent sheet used in traditional animation. The second is AVERY, referring to Tex AVERY, an American animator and director known for his work in Warner Bros. cartoons. The third is WALT, referring to Walt Disney, the founder of the Walt Disney Company and one of the most iconic figures in animation. Together, these three animators have had a profound impact on the world of animation.