19246 - safe, artist:bongwater777, part of a set, knuckles the echidna ( sonic), shadow the hedgehog (sonic), echidna, hedgehog, mammal, monotreme, anthro, sega, sonic boom (series), sonic the hedgehog (series), 2020, cheek fluff

Hedgehogs Can't Swim: Knuckles the Echidna: Issue 24

188898 - safe, artist:kyutsii_, knuckles the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), male, solo, solo male - Furbooru

232944 - safe, artist:waterdesukedo, knuckles the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), blushing, clothes, ears, gloves, male, purple eyes, red body, simple background, solo, solo male, white

Hedgehogs Can't Swim: Knuckles the Echidna: Issue 24

Knuckles The Echidna (@SentryOfChaos) / X

Hedgehogs Can't Swim: Knuckles the Echidna: Issue 24

161483 - safe, alternate version, artist:isa_for_you, sonic the hedgehog ( sonic), hedgehog, mammal, anthro, sega, sonic boom (series), sonic the hedgehog (series), sonic the hedgehog movie, 2022, crossover, duo, duo male, male, males

Knuckles The Echidna (@SentryOfChaos) / X

188897 - safe, artist:koafreedraw, knuckles the echidna (sonic), rouge the bat (sonic), bat, echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), sonic the hedgehog ova, crossover, duo, female, male - Furbooru

144204 - source needed, useless source url, safe, artist:nibroc-rock, shade the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), 3d, digital art, female, solo, solo female - Furbooru