Metal Sonic (Sonic the Hedgehog) - IDW Publishing

Metal Sonic is a robot created by Ivo Robotnik as a rival for Sonic the Hedgehog. 

Sonic The Hedgehog, Vol. 14: Overpowered: 9781684059850: Stanley, Evan: Books

Sonic The Hedgehog, Vol. 14: Overpowered: 9781684059850: Stanley, Evan: Books

SONIC THE HEDGEHOG #25 NEWSSTAND Variant 1ST METAL SONIC Archie Comics VHTF

Reading IDW And Hope This Goes Somewhere : r/SonicTheHedgehog

IDW Sonic #61 'Eggman Showdown' Preview Page Circulates Early - Comics - Sonic Stadium

Let's appreciate the fact Neo Metal Sonic exists in 3 different media : r/SonicTheHedgehog

Sonic The Hedgehog IDW (#1-67) - Read Comic Online Sonic The Hedgehog #59

Metal Sonic (Sonic the Hedgehog) - IDW Publishing

Sonic the Hedgehog IDW #55: Preview - Comics - Sonic Stadium

Metal Sonic, IDW Sonic Hub

Sonic the Hedgehog: IDW Announces Tails 30th Anniversary Special, Return of Mecha Knuckles in Scrapnik Island (Exclusive)

Sonic the Hedgehog 10 (IDW Publishing) Cover B by IdeaFan128 on DeviantArt