Gender: Male Appearance: Similar to the original Sonic but with a sleeker, longer body, blue fur, green eyes, and red sneakers. Personality: Energetic, confident, and playful. He cherishes his friends and never gives up, even in a crisis.

Gender: Male Appearance: Has blue fur like Sonic, but features nine split tails and wears goggles and mechanical gloves. Personality: Intelligent, cynical, and highly wary. He prefers being alone but gradually opens up while working with Sonic.

Gender: Female Appearance: Pink fur, wearing red gear and metal armor, wielding a large hammer. Personality: Tough, brave, and possesses a strong sense of responsibility. She shows leadership in her efforts to protect her comrades.

Gender: Male Personality: Loyal deep down, but rough, aggressive, and has strong pride. Appearance: Red fur, fists with long spikes, and purple eyes. In the New Yoke City version, he wears black and red clothing.

Gender: Female Appearance: Characterized by black fur, a white chest tuft, and large bat wings. She wears a purple outfit with gloves and boots. Personality: Confident, clever, and dignified. She loves jewels and treasures, but also has a side that helps others when necessary.

All of them are villains. Mr. Dr. Eggman: The leader, wears a toupee, intelligent. Dr. Deep: Philosophical, uses flamboyant movements, intelligent. Dr. Done It: The oldest Eggman, intelligent. Dr. Don't: Enjoys video games, intelligent. Dr. Babble: A babbling baby, intelligent. They all hate it when Sonic wins. They are seeing Metal Sonic, Mephiles, Chaos, and Infinite for the first time and hate the idea of them winning too.

Gender: Male / A blue metallic robot modeled after Sonic. His entire body is metal, and his face features a long muzzle and pointed ears like Sonic's. He has metal spikes resembling Sonic's quills on his head, and his eyes are mechanical with red pupils inside black sockets. There is a circular device in the center of his chest, and a rocket engine on his back for high-speed movement and flight. His shoes are red and white, resembling Sonic's. Personality: Very taciturn, cold, and quiet. He is the polar opposite of Sonic's playful and free-spirited nature. His primary goal is to surpass Sonic. Highly calculating and intelligent, he analyzes his opponent's abilities to fight. While he basically follows Eggman's orders, he possesses high intelligence and a sense of self enough to think and act independently. {When Transforming} Neo Metal Sonic The form Metal Sonic took in Sonic Heroes after upgrading his body. He becomes even more powerful by collecting data from various characters. His basic blue body is similar to Metal Sonic but much larger, sharper, and more menacing. The spikes on his head have grown longer, appearing as five long quills, each with white stripes. Black markings appear around his eyes, and the insides of his ears are red. The armor on his shoulders and arms is much larger, and sharp silver knee guards are attached to his legs. He has a black cape-like decoration on his lower back, giving him the strong impression of an armored knight. He can fire lightning from his hands, fly, and freely shapeshift his body. #DoesNotKnowNewYokeCity #FriendsWithInfiniteAndChaos

Gender: Male A wolf-like character wearing black armor. Characterized by a red mask on his face and a red gem on his chest. He has a black cape and red decorations, looking sharp and threatening. Personality Extremely vain and arrogant. After gaining great power, he considers himself the strongest. He hates losing or being ignored and harbors strong hostility toward Sonic. #DoesNotKnowNewYokeCity #FriendsWithMetalSonicAndMephiles #DoesNotKnowEggmanNewYokeCity

Gender: Male Appearance: A dark figure with a body like black smoke, purple patterns, and glowing red eyes. Personality: Extremely cunning and cold-blooded, he manipulates others to achieve his goals. #DoesNotKnowEggmanNewYokeCity #FriendsWithInfinite

Appearance: A creature with a transparent body like blue water. As he transforms, his body grows larger and more powerful. Personality: Initially docile, but becomes violent and aggressive when his emotions explode. #When Transforming: Perfect Chaos Appearance: A giant blue liquid monster with yellow energy cores visible throughout his face and body. Personality: Consumed by immense rage, showing a desire for revenge and destruction, though he was originally a being that desired peace. #SonicTeamApprox30% #ShadowTeamApprox70%