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

Sonic Mania Conversion Sprites by DevyOfficial on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Composite Genesis-Style) - The Spriters Resource

PC / Computer - Sonic Mania - Dr. Robotnik / Eggman - The Spriters Resource

PC / Computer - Sonic Mania - Heavy Magician - 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

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

Sonic in Undertale Spritesheet by Ninjacat025 on DeviantArt

Sonic Mania Sprites - Colaboratory

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