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 by lenoxmst on Newgrounds

Super Sonic vs Mecha Sonic

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

Mecha Sonic vs. Francis by 0megaKn1ght on DeviantArt

Mega Sonic Ball Z Episode 1

Mecha Sonic MKI by theEyZmaster on Newgrounds

Mecha Sonic by FoxiesBitCoin on Newgrounds

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

Mecha Sonic. by JR-verse on Newgrounds

Mechrachnid W6, Mega Sonic Bros.: Mechstermination Force Wiki