Super Sonic Sprite Sheet by RedDaDoucheHog on DeviantArt

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

Sonic Mania/Unused Graphics - The Cutting Room Floor

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

Sonic & Knuckles Sprite Sheets – Sega Genesis - Sonic Galaxy.net

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

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

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

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

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

PC / Computer - Sonic Mania - Laundro-Mobile - The Spriters Resource