Neo Metal Sonic/IDW Publishing, Sonic Wiki Zone

In the recent past, Metal Sonic transformed into Neo Metal Sonic in an attempt to take over the Eggman Empire. After disguising himself as Dr. Eggman, he eventually clashed with Team Heroes in the Egg Emperor mech. Not only did he lose in this battle, but after he was found out to be a fake, he was defeated by Team Heroes and turned back to normal. After this defeat, Eggman repaired Metal Sonic and removed the rebelliousness from his coding. Eggman eventually decided to upgrade Metal Sonic to Ne

Metal Sonic 3.0, Sonic Wiki Zone

Sonic the Hedgehog (IDW) (Comic Book) - TV Tropes

Sonic the Hedgehog CD - Sonic Wiki - Neoseeker

Team Dark/IDW Publishing, Sonic Wiki Zone

Néo Métal Sonic, Wiki

The Murder of Sonic the Hedgehog (Visual Novel) - TV Tropes

Titan Metal Sonic (transformation), Sonic Wiki Zone

Sonic the Hedgehog (IDW) / Awesome - TV Tropes

Sonic the Hedgehog (Archie Comics) - Wikipedia

IDW Sonic the Hedgehog Issue 17, Sonic Wiki Zone