Sonic 1 8-Bit (Master System) - (Sonic 1 Palette) by NickyTeam2 on

Sonic 3(Sonic 2 style) sprite sheet by souptaels on DeviantArt

PC / Computer - Sonic Mania - General Objects - The Spriters Resource

PC / Computer - Sonic Mania - Big Squeeze - The Spriters Resource

PC / Computer - Sonic Mania - Screw Mobile & Diver Eggman - The Spriters Resource

Sonic Mania Sonic Sprites (Part 1) by MettaKrat on DeviantArt

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

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

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

Sonic Mania Animation, Motion v1.0

The VG Resource - Dolphman's submissions