He is one of the demons under the guise of a familiar Sonic the hedgehog, although with some differences. He has dark blue fur, 6 large and sharp needles on his back and red eyes with black sclera. As clothing, he wears white gloves and cuffs, as well as red sneakers. Exetior is a demonic, but at the same time absolutely calm person. Sometimes, he expresses the qualities that ordinary Sonic had, which distinguishes him from other demons, as an example, can take his calm attitude to his subjects.