Metal Sonic

Metal Sonic is Sonic's robotenemy. After Dr. Eggman is the most famous villain. He was first in Sonic the Hedgehog CD, and last in Sonic Rivals 2.

Friends

 * Dr. Eggman
 * Eggman Nega

Enemies

 * Sonic the Hedgehog
 * Knuckles the Echidna
 * Miles "Tails" Prower
 * Amy Rose
 * Shadow the Hedgehog
 * Rouge the Bat
 * Eggman Nega (Sonic Rivals 2 and Sonic Rivals)
 * Silver the Hedgehog
 * Espio the Chameleon
 * Charmy Bee
 * Vector the Crocodile