Mecha Sonic (Sonic 3 and Knuckles) by MechaSonicSuperFan on DeviantArt

Death Battle - Metal Sonic Vs. Metabee by MechaSonicSuperFan on DeviantArt

Knuckles VS Mecha Sonic by sumawesum on DeviantArt

Mecha Sonic To Knuckles In His Bad Ending by SergeantIce on DeviantArt

OC) (BLENDER 2.91) Sonic 3 & Knuckles Mecha Sonic Model (WIP, Currently needs texturing done) : r/SonicTheHedgehog

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Knuckles V.S. Mecha Sonic by MechaSonicSuperFan on DeviantArt

Mecha Sonic Destroys Mecha Knuckles!!! by MechaSonicSuperFan on DeviantArt

Mecha Sonic's Official Schematics (2) by MechaSonicSuperFan on DeviantArt

Death Battle - Turbo Mecha Sonic Vs. The Meta by MechaSonicSuperFan on DeviantArt

Mecha Knuckles' Official Schematics by MechaSonicSuperFan on DeviantArt

Turbo Mecha Sonic (Super Mario Bros Z) by MechaSonicSuperFan on DeviantArt

Super Mecha Sonic (Sonic 3 And Knuckles) by MechaSonicSuperFan on DeviantArt