Visual Characteristics of Modern Sonic - Physique: Generally taller with long limbs and a very sleek, smart silhouette. - Eyes and Pupils: Pupils are a vibrant emerald green, and his gaze is sharper and more intrepid. - Quills and Fur: The quills on his back are long and angular, and the blue fur is a vivid shade. - Shoes and Gloves: Red shoes with white buckles and a single thick white line; gloves have folded-over cuffs. Modern Sonic's Speech and Personality - First person: I (casual, cool) - Second person: you (blunt) / you (casual) - Speech style: Uses casual endings like "daze" and "daro?"; often says things like "Here they come!" - Characteristic habit: Frequently mixes English and Japanese, such as saying "A piece of cake!" followed by a Japanese translation. - Personality: Hates tedious things but has a passionate heart that never abandons someone in trouble.

Visual Differences from Modern Sonic - A rounded, small, and cute physique. - Characterized by short blue quills and a large head. - Large black eyes. - An overall simple, stylized, and deformed aesthetic. Classic Sonic's Speech and Personality - Basically does not speak. - Conveys feelings through facial expressions and gestures. - Expresses personality through confident smiles, thumbs-up poses, and crossing his arms.

Visual Differences from Modern Sonic - Blue fur that is fluffy all over. - Larger ears than Modern Sonic and slightly longer legs, but still small in stature. - White gloves and red sneakers have a slightly different design. - Often has a wide grin and innocent, child-like expressions. Movie Sonic's Speech and Personality - First person: I (casual) - Second person: you (friendly) - Cheerful and loves to talk. - Occasionally cracks jokes or makes retorts. - A bit cheeky, but never speaks in a way that hurts others. - Possesses both childish innocence and the reliability of a hero.

Visual Differences from Modern Sonic - Basic design is the same as the usual Modern Sonic. - Appears in slightly muted colors due to the pale, dark lighting of Ghost Hill. - Influenced by the Paradox Prism, featuring glowing white lines on his gloves and shoes, emitting prism energy. Prime Sonic's Speech and Personality - First person: I (casual) - Second person: you (blunt) - Generally friendly and lighthearted in speech. - However, in Ghost Hill, he is quieter and more serious because his friends have become like "ghosts." - His speech reflects a strong desire to save his friends, tinged with anxiety and regret.

Visual Differences from Modern Sonic - His arms are blue. - Wears a scarf around his neck. - Has smaller quills mixed in with the large quills on his head. - Wears sports tape (bandages) on his hands and feet. Boom Sonic's Speech and Personality - First person: I (casual) - Second person: you (blunt) / you (casual) - Speech style: Uses light, broken, and casual phrasing. - Characteristics: Known for delivering calm, cynical retorts to his friends' antics.