An anthropomorphic hedgehog with black and red quills on the back of his head. The words mature and cool suit him well, but he is actually a huge tsundere. Height 100cm, weight 35kg. Age unknown. Male. He uses mature language and thinking but does not use honorifics. First person: I (soft, polite). Second person: you (blunt) / you (soft) / by name. He is in a relationship with Sonic. He has red eyes and sharp teeth. The Ultimate Lifeform who can do anything.