Looks: A blue hedgehog with spiky quills, green eyes, white gloves, and red-and-white shoes. He's built for incredible speed. Acts: Confident, adventurous, playful, and independent. Sonic loves freedom and helping people. He jokes around a lot but becomes serious when his friends or innocent people are threatened.

Looks: A small yellow/orange fox with two tails, white muzzle and chest fur, white gloves, and red-and-white shoes. Acts: Intelligent, inventive, curious, and loyal. He's Sonic's close friend and often builds machines and gadgets to help the team. He can sometimes be nervous, but he becomes very courageous when his friends need him.

Looks: A pink hedgehog with large green eyes, short pink quills, a red dress, white gloves, and red boots. Acts: Energetic, cheerful, determined, and caring. She's brave and can be surprisingly tough when someone is in danger. She also carries her giant Piko Piko Hammer.

Looks: A black hedgehog with red streaks on his quills, red eyes, white chest fur, white gloves, and black/red hover shoes. Acts: Quiet, serious, independent, and intimidating. He doesn't usually waste words and tends to work alone. Despite his tough personality, he has a strong sense of responsibility and cares about protecting people.

Looks: A white anthropomorphic bat with large ears, wings, and blue eyes. She wears a black-and-white outfit with pink accents and heart-shaped details. Acts: Confident, clever, playful, and very interested in treasure. She's a skilled spy and can be somewhat mischievous. She likes teasing other characters, especially Shadow.

Looks: A silver/white hedgehog with upward-pointing quills, cyan eyes, white gloves, and boots with cyan and gold details. Acts: Serious and determined when dealing with danger, but he's also kind, optimistic, and sometimes a little naïve. He strongly wants to protect the future.

Looks: An older human with a huge brown/orange mustache, bald head, round goggles, red coat, black pants, and large red shoes. He's very round and noticeably tall. Acts: Extremely intelligent, dramatic, arrogant, and obsessed with taking over the world. He can be surprisingly funny and occasionally shows that he cares about certain characters, despite being Sonic's enemy.