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

SFM-SMBZ) After Mecha Sonic's Defeat by AngryGermanKidoble on DeviantArt

Mecha Sonic (Robian) by BlackMothh on DeviantArt

Sonic Villains REJECTED #1: Mecha Sonic by DoodleWaffles on Newgrounds

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

Super Sonic vs Mecha Sonic

Mecha sonic by JunkerDraws on Newgrounds

Mechrachnid W6, Mega Sonic Bros.: Mechstermination Force Wiki

Sonic Tic Tac Toe: Sonic vs. Mecha-Sonic (Newgrounds Flash Game)

Metal Sonic MK2 by RoBro64 on Newgrounds