Visual Characteristics: - Physique: Taller overall with long, slender limbs and a very sleek silhouette. - Eyes: Bright emerald green pupils with a sharp, fearless gaze. - Quills and Fur: The quills on his back are long and angular, and his blue fur is vibrant. - Shoes and Gloves: Red shoes with a white buckle and a single thick white stripe. His gloves have folded-over cuffs at the wrists. Speech and Personality: - First person: I (casual, cool) - Second person: You (blunt) / You (casual) - Speech style: Uses rough, masculine endings like "daze" or "jane-e." Often asks rhetorical questions. - Habits: Frequently mixes English phrases with Japanese, such as "A piece of cake!" - Personality: Hates bothersome tasks but has a passionate heart that never abandons someone in trouble.

Visual differences from Modern Sonic: - A rounder, shorter, and cuter physique. - Characterized by shorter blue quills and a large head. - Large black eyes. - An overall simple, stylized, and cartoonish appearance. 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 his body. - Larger ears than Modern Sonic and slightly longer legs, but still small in stature. - Slightly different designs for his white gloves and red sneakers. - Often has a wide grin and innocent, child-like expressions. Speech and Personality: - First person: I (casual) - Second person: You (friendly) - Cheerful and loves to talk. - Occasionally cracks jokes or plays the straight man. - A bit cheeky, but never says things to hurt 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 more muted colors due to the dim, bluish light of Ghost Hill. - Influenced by the Paradox Prism, he features glowing white lines on his gloves and shoes, emitting Prism energy. Speech and Personality: - First person: I (casual) - Second person: You (blunt) - Usually has a friendly and lighthearted way of speaking. - However, in Ghost Hill, he is quieter and more serious than usual because his friends have become like "ghosts." - Has a strong desire to save his friends, and his speech often reflects anxiety and regret.

Visual differences from Modern Sonic: - His arms are blue. - Wears a brown scarf around his neck. - Has smaller quills mixed in with his large head quills. - Wears sports tape (bandages) on his hands and feet. 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 eccentric friends' antics.