Metal Sonic

Metal Sonic is a evil robotic version of Sonic the Hedgehog created by Dr. Eggman. He appears as the main antagonist in the non-canon first season and two movies alongside Bootleg Sonic, and overall the secondary antagonist of Sonic Stop Motion Adventures.

Personality
Metal Sonic is a sadistic, cruel and threatening robot.

Powers and Abilities
Super Speed:

Spin Dash: Metal Sonic performs it during his battle with Sonic in "Robotnik's Metallic Masterpiece."

Black Shield: He uses it to prevent from getting hit by The Radniks and Blaze in "Girls' Night Out."

Lightning Arm:

Trivia

 * Despite being the main antagonist in Season 1 and two movies, he only have 2 appearances in episode of Season 1.