Minecraft's Amalgam: Every Mecha Sonic in One!

Cassio Yoshiyaki - Mecha Sonic (Sonic 3)

Turbo Mecha Sonic, Pure Evil Wiki

Digital art of mecha sonic with a streamlined futuristic design

Shadow Android vs Mecha Sonic

Mecha Sonic (Super Mario Bros. Z) - Incredible Characters Wiki

cohost! - post from @TheCongressman

Custom / Edited - Sonic the Hedgehog Customs - Mecha Sonic - The Models Resource

Steam Workshop::Mecha Sonic

Custom / Edited - Sonic the Hedgehog Customs - Mecha Sonic Mk II (Expanded) - The Spriters Resource

Mecha Sonic iPad Case & Skin for Sale by Design-By-Dan