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You may be after the modern counterpart, Metal Sonic.

Metal Sonic is a robot created by a Dr. Ivo "Eggman" Robotnik (Classic) from the Classic dimension to rival the skills of his counterpart to Sonic the Hedgehog (Classic)



At some point in the past, both Amy and Sonic encountered Metal Sonic before.

After a newly resurrected Heavy King wanted to eliminate Dr. Eggman, while he was sleeping, he was prevented from doing so by Metal Sonic. The Heavy King then use Eggman's computer to override all of Eggmans robots to serve Heavy King and to kick out Eggman. Heavy King then ordered his newly found robotic force to aquire the Chaos emeralds, in order to resurrect his Hard Boiled Heavy squad.

Seasons of Chaos

Metal Sonic began looking for the chaos emerald in Spring Hill Zone. Sonic, who along with Tails and Amy were looking for the chaos emeralds as well, was just about to grab the emerald he found on the floor, when the robot snatched it up.

Dr. Eggman's Birthday

Metal sonic DEB.jpg

metal Sonic can be seen in a liquid filled tube in one of Dr. Eggman's lab, whilst he was looking for the rest of his badniks.


Metal Sonic was armed with razor sharp claws. He also had a jetpack.

Matal Sonic Knuckles rebooting.png




Background Information

  • It could be speculated that Metal Sonic was neding repairs after the events of Seasons of Chaos, that Silver Sonic took its place in the next story. By the time of the events in Dr. Eggman's Birthday, it was still being repaired and was presumably why its was absent in Heavy King's attack force.