Ups and Downs - Zehntacles - Sonic the Hedgehog - All Media Types

Sonic The Hedgehog - The Best Of Both Worlds by mitchell00 on DeviantArt

Shadow VS Knuckles VS Sonic VS Super Sonic

Genesis / 32X / SCD - Sonic & Knuckles - Objects (Common) - The Spriters Resource

Secrets of Sonic Team=

10x Sonic the Hedgehog 2, 3 and Knuckles Definitve by Abbysek on DeviantArt

Hedgehogs Can't Swim: Sonic the Hedgehog: Issue 19

List of unofficial Sonic the Hedgehog media, Ultimate Pop Culture Wiki

Sonic The Hedgehog Movie - Knuckles Uh Meow All Designs Compilation

Sonic the Hedgehog 3 & Knuckles/Bugs - Sonic Retro

Nothing but Shadamy Headcanons — Do you have any fic recommendations?