The Mecha Sonic StoryContinued!

Sonic the Hedgehog (IDW) - Eggman Empire / Characters - TV Tropes

Mecha Sonic Mark II, Sonic Wiki Zone

IDW's Mecha Sonic MK2 - S&K Style! : r/SonicTheHedgehog

Mecha Sonic Mk. II, Heroes Wiki

Made IDW Mecha Sonic in 3D! : r/SonicTheHedgehog

Sonic the Hedgehog IDW Comic Megathread, Page 43

Sonic the Hedgehog: IDW Announces Tails 30th Anniversary Special, Return of Mecha Knuckles in Scrapnik Island (Exclusive)

What? on X: He's back! Mecha Sonic is coming soon to Sonic the hedgehog Scrapnik island! I'm looking forward to it, and even drew fan art for it with my favorite character

STH] Mecha sonic Scrapnik by MechatheTecha on DeviantArt

Sonic the Hedgehog Sets Mecha Knuckles Up As Its Next Major Villain