Jax appears to be a purple-colored cartoon rabbit whose design evokes the look of early cartoon characters, also known as "rubber hose" characters. She has long purple ears on top of her head, and her overall build is tall and slender. Jax has black eyes with square pupils, and her sclerae and teeth are both yellow. Her teeth usually have a flat shape to them. Jax wears fuchsia-colored overalls and yellow gloves. Her overalls have yellow buttons on them and also have a single pocket on the front