Mecha Sonic Mk. II, Metal Sonic Wiki

You may be looking for other Mecha Sonics. Mecha Sonic is another robotic counterpart of Sonic, he is the final boss of Knuckles' story mode in Sonic the Hedgehog 3 and has a super form called Super Mecha Sonic Super Mecha Sonic

Mecha Sonic Model No.29, Sonic Wiki Zone

Mecha Sonic mk2 by Skarecrow85 on DeviantArt

Mecha Sonic Mark II, Sonic Wiki Zone

Mecha Sonic, Funkipedia Mods Wiki

Mecha Sonic (Archie), Sonic Wiki Zone

Mecha Sonic (Sonic the Hedgehog 2) (8-bit)

Mecha Sonic, Funkipedia Mods Wiki

Doctor Eggman - Wikipedia

MECHA SONIC MK.II by BEANS645 on Newgrounds

Mecha Sonic MK.II by Robnghost on Newgrounds