Pixilart - metal sonic sprite sheet by Tuxedoedabyss03

Sega Genesis / 32X - Metal Sonic in Sonic 2 (Hack) - Metal Sonic - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Metal Sonic - The Spriters Resource

Sonic CD Sprite Sheets – Sega Genesis - Sonic Galaxy.net

Pixilart - metal sonic full sprite by blue-blue

Custom / Edited - Sonic the Hedgehog Customs - Metal Sonic (Sonic Advance-Style) - The Spriters Resource

Dr. Crusher — sonichedgeblog: Higher resolution sprite artwork

metal sonic p3 - Comic Studio

Play as Metal Sonic in Sonic Games, Hacks & Mods

Steam Workshop::Metal Sonic in Sonic the Hedgehog

Game Gear/Master System Sonic: Playable Metal sprites. : r/SonicSpriteArt