Mecha Sonic MK1 by RoBro64 on Newgrounds

A crude, rushed replica of Sonic. The doctor may have gone overboard on the padding, making this robot nearly immobile. It somehow manages to scoot around on small wheels installed in the back of it

Mecha Sonic from Super Mario Bros Z charges into Death Battle! (Please don't recommend Nazo as it's a stomp and totally unfair) : r/DeathBattleMatchups

Mecha Sonic (Super Mario Bros DX) by MechaSonicSuperFan on DeviantArt

Ed vs. Mecha Sonic by Creator-Rapid on Newgrounds

Sonic vs. Mecha Sonic

Mecha Sonic by FoxiesBitCoin on Newgrounds

Mecha Sonic vs. Francis by 0megaKn1ght on DeviantArt

Mario and Sonic VS Mecha Sonic

Mecha Sonic by FoxiesBitCoin on Newgrounds

Friday Night Funkin Mecha Sonic VS Maggie (Turbo x Jazz Cup)

Mecha Sonic, Death Battle Fanon Wiki

Sonic on a Mecha!! by RookyTV on Newgrounds

DBX - Turbo Mecha Sonic Vs. Reverse Flash by MechaSonicSuperFan on DeviantArt