Modern Metal Metal Sonic Sprites (WIP) by SillsDeviant on DeviantArt

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

Modgen Classic Metal Sonic Sprite Sheet by AngryMetal on DeviantArt

Darkspine Metal Sonic, DarkSpine Metal Sonic Sprites by METARUSONIKU on deviantART

Custom / Edited - Sonic the Hedgehog Customs - Metal Sonic (Sonic 3-Style) - The Spriters Resource

Metal Sonic Sprite Sheet by nicogamer337 on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Metal Sonic (Sonic Mania-Style) - The Models Resource

Dr. Crusher — sonichedgeblog: Higher resolution sprite artwork

Metal Sonic Sprites Sheet by Sonic8546 on DeviantArt

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

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