Kokobiel style Knuckles for Pony

Ugandan Knuckles - Sonic Series

Anti-Knuckles - Sonic Archie Comics

Sir Gawain - Sonic and the Black Knight

Mecha Knuckles - Sonic Series

Erosuke - (Furry, Sonic The Hedgehog) - ArtStyle

Metal Knuckles - Sonic Series

Sonic movie mix - Sonic/Tails/Knuckles/Shadow

Knuckles (Sonic movie)

Knuckles - Sonic X (IL/Pony) (test)

Dark Enerjak (Sonic Archie Comics)

Metal Knuckles (Sonic Series)

Knuckles - SD 1.5 & SDXL