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

Yoshi vs. Mecha Sonic but the roles are reversed! - Super Mario Bros. Z Fan-made Animation

Mecha Sonic by FoxiesBitCoin on Newgrounds

Mecha by EricRedd on Newgrounds

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

Sonic VS Mecha Sonic

Mecha Sonic by lenoxmst on Newgrounds

Mario and Sonic VS Mecha Sonic

MECHA SONIC by CryoGX on Newgrounds

Sonic /S Mecha sonic

MECHA SONIC] is online. by leroyalmess on Newgrounds

Mecha Sonic vs. Francis by 0megaKn1ght on DeviantArt

Sonic & The Dark Emeralds Episode 1 (Reboot)

mecha sonic *normal* by evildragon879 on Newgrounds

Sonic vs. Mecha Sonic

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