Sonic Mania Items Objects Misc Sprites by Alex13Art on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Sonic Mania, T-Posed) - The Models Resource

MC Sonic the Hedgehog (1.2) by Aureumber on DeviantArt

PC / Computer - Sonic Mania - Badniks (Encore) - The Spriters Resource

PC / Computer - Sonic Mania - Badniks (Pre-Plus) - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Dr. Eggman (Chibi, Sonic Mania-Style) - The Spriters Resource

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

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

PC / Computer - Sonic Mania - Continue Screen Countdown - The Models Resource

Sonic in Undertale Spritesheet by Ninjacat025 on DeviantArt

Multiple Sonic Mania by DevyOfficial on DeviantArt