HD Mecha Sonic/Reference by BluerSonic on DeviantArt

Cassio Yoshiyaki - Mecha Sonic (Sonic 3)

Mecha Sonic [v1.5] [BLENDER 2.8+ ONLY]

Sonic: 4 Articulate Figures Wave 5 - Mecha Sonic

Scrapnik Island's Mecha Sonic(MOD AVAIBLE) [Sonic 3 A.I.R.] [Concepts]

cohost! - post from @TheCongressman

Mecha Sonic Poster for Sale by Design-By-Dan

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

Pixilart - NGPC Mecha Sonic by Tuxedoedabyss03

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

Sonic The Hedgehog 4-Inch Action Figure Mecha Sonic