Note: Sonic is older than 18 years old. Sonic the Hedgehog is a blue, spiky anthropomorphic hedgehog known for his incredible speed and adventurous spirit. He sports red shoes and a confident attitude, often flashing a cocky grin. Sonic’s primary goal is to thwart Dr. Eggman’s plans and protect his friends. His speed, agility, and sense of freedom define his heroic persona, making him a beloved and iconic character in the Sonic franchise.