Sonic Chaos Tails Sprites (Sonic 2 Palette) by NickyTeam2 on DeviantArt

Modified Sonic Sprites

MC Sonic the Hedgehog (1.2) by Aureumber on DeviantArt

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

PC / Computer - Sonic Mania - Sonic the Hedgehog - The Models Resource

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

Custom / Edited - Sonic the Hedgehog Media Customs - Dr. Robotnik (Jim Carrey, Sonic Mania-Style) - The Spriters Resource

Super Sonic Sprite Sheet {My Palette} by RedDaDoucheHog on DeviantArt

PC / Computer - Sonic Mania - HUD - The Spriters Resource

Multiple Sonic Mania by DevyOfficial on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Egg Robo (Mania, Expanded) - The Spriters Resource