Sonic the Hedgehog Sprite Comics ~ Hyper Sonic vs Hyper Knuckles?

Shadow vs Knuckles

Super Sonic but he follows the same design principles of Super Tails, Super Knuckles, Super Ray and Super Mighty where his colors just get lighter : r/SonicTheHedgehog

Sonic vs Knuckles

Character Mods

Sonic vs Metal Sonic

Sprites and Hoaxes – Shauniversal Studios

Sonic the Hedgehog 3 & Knuckles chronology and endings - Sonic Retro

Sonic 3 & Knuckles / What Could Have Been - TV Tropes

Sonic vs Shadow, Death Battle Fanon Wiki

Super Sonic - Sonic Retro

An epic battle: Hyper Sonic VS Knuckles Sonic The Hedgehog 3 & Knuckles!