Metal Sonic

Metal Sonic is the secondary antagonist of Sonic series. He is Sonic's robotic copy created by Dr. Eggman.

Allies

 * Dr. Ivo "Eggman" Robotnik - Creator, Ally and Sometimes Enemy
 * Orbot
 * Cubot

Rivals

 * Sonic the Hedgehog - Arch Enemy and Rival
 * Silver the Hedgehog - Enemy and Rival
 * Metal Sonic 3.0 - Enemy and Rival

Enemies

 * Team Sonic
 * Sonic the Hedgehog - Arch Enemy and Rival
 * Miles "Tails" Prower
 * Knuckles the Echidna
 * Team Dark
 * Shadow the Hedgehog - Enemy, Sometimes Ally and Temporary Partner
 * Rouge the Bat
 * E-123 Omega
 * Team Rose
 * Amy Rose
 * Cream the Rabbit
 * Big the Cat
 * Team Chaotix
 * Vector the Crocodile
 * Espio the Chameleon
 * Charmy Bee
 * Mighty the Armadillo
 * Silver the Hedgehog - Enemy and Rival
 * Dr. Eggman Nega - Former Ally
 * Metal Sonic 3.0 - Enemy and Rival
 * Ifrit
 * Babylon Rogues
 * Jet the Hawk
 * Wave the Swallow
 * Storm the Albatross