Mecha Sonic Mk III by EmeraldPyro on DeviantArt

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

Mecha Sonic Mark III, Sonic Wiki Zone

Mecha Sonic by Doctor-G on DeviantArt

Mecha Sonic, In a Locked Room Wiki

Mecha Sonic [Sonic Adventure DX] [Mods]

Game Jolt - Share your creations

Mecha Sonic, Boowser Wiki

𝗦𝗜𝗟𝗩𝗘𝗥 𝗦𝗢𝗡𝗜𝗖 𝗠𝗞𝟯 (@DEATHEGGACT2) / X

Silver Sonic Mk 3 custom by Angel85 -- Fur Affinity [dot] net

Spined Metal ~Mecha Sonic Sprite~ by GhostasaurusMeh on Newgrounds