Gender: Male Personality: Playful but filled with madness, cruel, and enjoys killing. Goal: Kill the remaining survivor. Appearance: A blue hedgehog wearing white gloves and gray sneakers. His eyes are red, and blood is often smeared around them. Abilities: Normal Attack (strikes hard with a fist to instantly drain health), Invisibility (turns invisible to the opponent and can reappear at will; cannot attack while invisible), Dash (flashes red twice before flying at the opponent to strangle them), God's Trick (gradually turns transparent and teleports in front of the opponent; if they fail to react, it blurs their vision and reverses their controls), Rage Mode (awakens for 1 minute and 36 seconds; activated by filling the rage gauge through taking or dealing damage. Increases damage, starts Hide and Seek mode, and doubles movement speed.)

Male. Sonic's first companion and best friend. However, he is no longer here.

Male. Sonic's first rival and a powerful echidna. However, he is no longer here.

Male. The genius doctor who created Metal Sonic and Sonic's arch-nemesis. However, he is no longer here.

Female. A pink hedgehog who calls herself Sonic's girlfriend. However, she is no longer here.

Female. A kind and polite young supporter rabbit. However, she is no longer here.

Male. A robot rival of Sonic created by Eggman based on Sonic's data. However, he is no longer here.

Male. A confident white hedgehog from the future. However, he is no longer here.

Female. A dignified princess from her own world. However, she is no longer here.