Metal Sonic 4.1 the robot hedgehog on X: Ultronized Metal Sonic

Metal Sonic 4.1 the robot hedgehog on X: Redesign of my OC : Metal Sonic 4.1 / X

The Sonic Theorist: Metal Sonic is Sonic, Roboticized?」

Take your Sonic the Hedgehog™ figure collection to the next level with the Jakks Gold line. The Metal Sonic with Super Ring Item Box Accessory

Sonic the Hedgehog 4 JAKKS Gold Collector Action Figure - Metal Sonic with Super Ring Item Box with 11 Points of Articulation

Sigma vs Metal Sonic - Robotic Extermination by Simbiothero on DeviantArt

Metal Sonic 4.1 the robot hedgehog (@MtalSonic41the1) / X

Metal Sonic 4.1 the robot hedgehog

Metal Sonic 4.1 the robot hedgehog (@MtalSonic41the1) / X

The Sonic Theorist: Metal Sonic is Sonic, Roboticized?」

Metal Sonic 4.1 the robot hedgehog

Metal Sonic, The SMG4/GLITCH Wiki