old mecha sonic mk1 doodle by TyuleninSFD on DeviantArt

Mecha Sonic Mk. I, Villains Wiki

Sonic: 4 Articulate Figures Wave 5 - Mecha Sonic

The Confusing History of Mecha Sonic

Mecha Sonic MK. 1 (Sonic 2) - 3D model by Spex130 (@spex130) [1431dad]

I get confused with their names. : r/SonicTheHedgehog

Why do so few people like the Silver Sonic / Mecha Sonic MK1 design?? : r/SonicTheHedgehog

Mecha Sonic Custom by kodykoala, www.kodykoala.com www.toyb…

mecha sonic v1, Wiki

Sonic The Hedgeblog — Early artwork of the front and back of Mecha Sonic

Mecha Sonic Series by FlameHog419 on DeviantArt