Metal Sonic Rebooted - Metal Sonic sprite sheet by LoraTWolf46 on DeviantArt

Sonic Mania/Unused Graphics - The Cutting Room Floor

PC / Computer - Sonic Mania - The Spriters Resource

The Spriters Resource - Full Sheet View - Sonic the Hedgehog Customs - Sonic (Sonic 1 Beta-Style)

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

PC / Computer - Sonic Mania - Crimson Eye - The Spriters Resource

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

Custom / Edited - Sonic the Hedgehog Customs - Death Egg Robot (Sonic Mania-Style) - The Spriters Resource

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

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

Super Sonic Sprite Sheet by RedDaDoucheHog on DeviantArt