Sonic is a anthropomorphic demon hedgehog with cobalt blue fur, along with peach skin on his front torso, inner ears, muzzle, & arms. He has triangular cat-like ears on top of his head, green eyes, 6 long quills on the back of his head, 2 quills on the back of his upper torso, all his quills tilt down slightly at the end, long legs, long arms, large peach skin paws and pink paw pads, a small short-haired 5 inch tail at the bottom of his torso. He is wearing white gloves and red & white shoes.