The Cat in the Hat use of the term "cat" to refer to jazz musicians. According to Nel, "Even as [Geisel] wrote books designed to challenge prejudice, he never fully shed the cultural assumptions he grew up with, and was likely unaware of the ways in which his visual imagination replicated the racial ideologies he consciously sought to reject." Geisel once called the fish "my version of Cotton Mather", the Puritan moralist who advised the prosecutors during the Salem witch trials. Betty Mensch and Alan Freeman support this view, writing, "Drawing on old Christian symbolism (the fish was an ancient sign of Christianity) Dr. Seuss
The Cat in the Hat (film) character was designed by Steve Johnson. The Cat costume was made of angora and human hair and was fitted with a cooling system. To keep Myers cool during the outdoor shoots, a portable air conditioner was available that connected a hose to the suit between shots. The tail and ears were battery operated. The Fish was considered somewhat of a unique character for Rhythm & Hues (responsible for some of the effects and animation in such films as "Cats & Dogs", "", and "Scooby-Doo"), in that the character had no shoulders, hips or legs, so all of the physical performance