PC / Computer - Sonic Mania - Knuckles the Echidna - The Models Resource

Sonic Mania/Unused Graphics - The Cutting Room Floor

Sonic & Knuckles Sprite Sheets – Sega Genesis - Sonic Galaxy.net

MC Sonic the Hedgehog (1.2) by Aureumber on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Sonic, Tails, Knuckles, & Shadow - The Spriters Resource

PC / Computer - Sonic Mania - Knuckles the Echidna - The Spriters Resource

PC / Computer - Sonic Mania - Game Icon - The Spriters Resource

PC / Computer - Sonic Mania - Phantom Heavies - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Big Arm (Sonic Mania-Style) - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Classic Monitors (Sonic Mania-Style) - The Spriters Resource

Multiple Sonic Mania by DevyOfficial on DeviantArt