Jax appears to be an anthropomorphic lilac cartoon rabbit whose design evokes the look of early cartoon characters. He has long bunny ears on the top of his oval-shaped head, and his overall build is tall and slender, with a rather long neck. Jax's eyes have yellow sclera, with square black pupils. Jax wears light, pink-colored overalls and pale-yellow gloves. His overalls have yellow buttons on them and also have a single lighter pink rectangular pocket on the front and lighter pink sections