Sonic in Undertale Spritesheet by Ninjacat025 on DeviantArt

Sonic Mania Conversion Sprites by DevyOfficial on DeviantArt

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

The Spriters Resource - Full Sheet View - Sonic Pocket Adventure - Sonic

PC / Computer - Sonic Mania - DD Wrecker - The Spriters Resource

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

Ultimate-Sonic Mania Sprites BY Dadjk Elcrack by Dadjkelcrack on DeviantArt

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

PC / Computer - Sonic Mania - Heavy Gunner - The Spriters Resource

Sonic R Mania [Sonic R] [Mods]

Sonic Mania - Hyper Sonic by RedDaDoucheHog on DeviantArt