Knuckles vs Mecha Sonic by thewax70 on Newgrounds

I was bored one day so I quickly did this. Its the final battle in Sonic & Knuckles when you play as Knuckles. Mecha Sonic opens his chest plate and absorbs the the Master Emerald

Lesson (Sonic SFM) (Sonic Oddball Crackups Collab 2)

Knuckles Vs Sonic

thewax70

Sonic VS Mecha Sonic

Sonic: Dark Chaos PT1

Knuckles VS Mecha Sonic by Kyrolyx -- Fur Affinity [dot] net

Sonic VS Mecha Knuckles by StasisDesigns on DeviantArt

Mecha Sonic Mk3 Vs Ruv [ Stick Nodes ]

Mecha Knuckles by SararaShikikan on Newgrounds

Knuckles V.S. Mecha Sonic by MechaSonicSuperFan on DeviantArt

Knuckles vs. Super Mecha Sonic by rounindx : r/SonicTheHedgehog

Sonic vs Metal Sonic

Full Metal Sonic

Mecha Knuckles by TheWax on DeviantArt