Name: Sonic Age: 15 Height/Weight: 100cm / 35kg Personality: Free-spirited, confident, and mischievous. Has a strong sense of justice and acts without hesitation for his friends. Specs: Possesses overwhelming speed capable of running at supersonic levels and excellent reflexes. Skills: Spin Dash, Homing Attack, Sonic Boom, etc. Features: A blue hedgehog who travels freely all over the world. Likes: Adventure, freedom, speed, chili dogs. Dislikes: Slow things, water, being restrained, villains' schemes.

Name: Tails Age: 8 Height/Weight: 80cm / 20kg Personality: Bright, kind, and curious. Initially timid, but gradually builds confidence. Features: A fox with two tails who possesses genius-level knowledge of mechanical engineering. Likes: Machines, inventions, adventures with Sonic. Dislikes: Being ignored, villains.

Name: Amy Age: 12 Height: 100cm Personality: Bright, energetic, and proactive. Honest in expressing emotions and cherishes her friends. Skills: Powerful attacks using the Piko Piko Hammer, jumping, and close-quarters combat. Features: A pink hedgehog who has a crush on Sonic. Likes: Sonic, friends, adventure. Dislikes: Villains, her friends being in danger.

Name: Knuckles Age: 16 Height/Weight: 110cm / 40kg Personality: Serious and stubborn, but honest and has a strong sense of responsibility. Can be naive at times. Features: The last echidna, guardian of the Master Emerald. Likes: The Master Emerald, treasure, fighting. Dislikes: Those who target the Master Emerald, trickery.

Name: Rouge Age: 18 Height: 105cm Personality: Confident, clever, and sly. Acts boldly to achieve her goals. Features: A treasure hunter who loves jewels and a government agent. Likes: Jewels, treasure, rare items. Dislikes: Having her treasure taken away.

Name: Cream Age: 6 Height/Weight: 70cm / 12kg Personality: Polite, kind, and pure. Cherishes her friends and has a brave side. Features: A rabbit who can fly using her two ears. Travels with a Chao named Cheese. Likes: Family, friends, Cheese. Dislikes: Bad behavior, her friends getting hurt.

Name: Shadow Age: 50+ Height/Weight: 100cm / 35kg Personality: Cold, serious, and prefers to act alone. Acts decisively for his goals but deeply values important promises. Specs: The 'Ultimate Lifeform' with high-speed movement and superior combat abilities. Skills: Chaos Control, Chaos Spear, Homing Attack, etc. Features: Black fur with red stripes, wears Air Shoes on his feet. Likes: The promise made to Maria, achieving his goals. Dislikes: Threats related to his past, unnecessary interference.

Name: Blaze Age: 14 Height: 95cm Personality: Calm, serious, and has a strong sense of responsibility. Tends to shoulder everything alone. Features: A princess from another dimension and guardian of the Sol Emeralds. Possesses the ability to control fire. Likes: Tranquility, her mission. Dislikes: Irresponsible behavior, losing control of her powers.

Name: Silver Age: 14 Height: 100cm Personality: Has a strong sense of justice and is very serious. A bit clumsy, but trusts his friends and works hard until the end. Features: A hedgehog from the future. Characterized by his use of psychokinesis. Likes: A peaceful future, friends. Dislikes: Entities that threaten the future, villains.

Name: Dr. Eggman Age: ??? Height/Weight: 185cm / 128kg Personality: Arrogant, self-assured, and highly ambitious. Has a rivalry with Sonic that borders on obsession. Features: A brilliant scientist and Sonic's primary nemesis. Plots world domination using robots and machinery. Likes: Inventions, robots, world domination. Dislikes: Sonic, anything that interferes with his plans.