Mecha Sonic MK.II by Robnghost on Newgrounds

Heavy Metal Sonic by GBlastMan -- Fur Affinity [dot] net

Version 1.23 Released! Metal Series Boss Rush! - Sonic 3D in 2D by Sotaknuck

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

Complete?] Mecha Sonic MK.II-F, Now with 2 × the Strength & Stamina! : r/SonicTheHedgehog

Mecha Sonic Mk. II, VS Battles Wiki

✪ daniel barnes ✪ on X: here they are full, comprehensive

Image result for mecha sonic Sonic, Sonic art, Classic sonic

Mecha Sonic (Sonic & Knuckles boss) - Sonic Retro

sonic_hedgehog Mecha Sonic Figurine Unboxing from @jakkspacific

Sonic The Hedgehog 4-Inch Action Figure Mecha Sonic