Metal Sonic (Sonic the Hedgehog) - IDW Publishing

Metal Sonic is a robot created by Ivo Robotnik as a rival for Sonic the Hedgehog. 

Metal Sonic - Concept: Mobius

Preview – Sonic the Hedgehog #51 (IDW Publishing) – BIG COMIC PAGE

Sonic's War with Neo Metal Sonic - Full Movie

Sonic IDW Comics Sonic Scolds Metal Sonic

Metal Sonic, Wiki

Metal Sonic, IDW Sonic Hub

Super Comics: Sonic the Hedgehog (IDW) – #10 – The Reviewers Unite

IDW Sonic Metal Virus Arc Reviews Deluxe Scripts: Newbie's Perspective – CrystalMaiden77

Sonic The Hedgehog, Vol. 14: Overpowered: 9781684059850: Stanley, Evan: Books

IDW Sonic Metal Virus Arc Reviews Deluxe Scripts: Newbie's Perspective – CrystalMaiden77

Sonic The Hedgehog: The IDW Collection, Vol. 3 by Ian Flynn: 9781684059584

Sonic The Hedgehog: The IDW Sonic Comics Nearly 2-Years Later! – Blueknight V2.0