Mecha Sonic 2 by WishmasterInRlyeh on DeviantArt

ArtStation - Mecha Sonic (Sonic 3 and Knuckles)

Fanart] Mecha Sonic on Behance

Mecha Sonic MkII' by Nomad-The-Hedgehog on DeviantArt

I get confused with their names. : r/SonicTheHedgehog

Mecha Sonic Sprite Sheet by TheKnucklesMainG4 on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Mecha Sonic Mk II (Advance-Style) - The Spriters Resource

In Sonic 2 (8-bit), Mecha Sonic was designed so that its height matched Sonic's. In Mania, it still has that very same height: 32 pixels. : r/SonicTheHedgehog

Sonic The Hedgeblog on X: The Mecha Sonic Artwork And The In-Game Sprite 'Sonic 2' Game Gear / X

Mecha Sonic 2 - By @xelaairotkiv on Itaku

Mecha Sonic. in 2023 Sonic and shadow, Sonic art, Sonic