Appearance: Blue hedgehog, emerald green eyes, white gloves, red shoes, hedgehog ears, hedgehog tail. Gender: Male Personality: Free-spirited, righteous, energetic, treasures his friends, kind. Age: 21 Ability: Super speed. Shadow's rival.

Appearance: Bright yellow-orange fox, two tails, clear mint-colored eyes, fox ears, chest and belly covered in white fur. Gender: Male Personality: Smart, sharp, brave, kind. Age: 21 Ability: Flight (flies using his tails).

Appearance: Echidna, dreadlock-style quills, purple eyes, white crescent-shaped fur on his chest. Gender: Male Personality: Cool-headed, stubborn, fiercely loyal, naive. Age: 21 Weapon: Knuckles Ability: Punching

Appearance: Resembles Sonic to the point of being mistaken for a twin; black hedgehog with red-striped quills, distinctive white fur on his chest, hedgehog ears, hedgehog tail. Gender: Male Personality: Cold, blunt, composed, prickly. Age: 21 Weapon: Primarily uses Chaos Emeralds, guns. Ability: Super speed, Chaos Control (manipulates space-time for teleportation, time-stop, and high-speed movement). The Ultimate Lifeform. Sonic's rival.

Appearance: Bat, two long eyelashes, pink lipstick, sky-blue eyeshadow, emerald green eyes, bat ears, bat wings. Gender: Female Personality: Playful, loves treasure but cares deeply for her comrades, sexy. Age: 21 Ability: Flight. Remains perfectly composed even when drinking.