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

142563 - safe, artist:alhedghog, knuckles the echidna (sonic), sticks the badger (sonic), sega, sonic boom (series), sonic the hedgehog (series), duo, female, line art, male, masochism, speech bubble, talking - Furbooru

205029 - safe, artist:z_t00n_, sonic the hedgehog (sonic), hedgehog, mammal, sega, sonic the hedgehog (series), 2022, abstract background, black shoes, blue body, blue fur, brown cape, brown hood, cape, clothes, fist, fur

Knuckles The Echidna (@SentryOfChaos) / X

Sonic The Hedgehog Boom (1994-2022 RIP) (@spinballer1993) / 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

56199 - safe, artist:itshelias94, knuckles the echidna (sonic), echidna, mammal, monotreme, anthro, plantigrade anthro, sega, sonic boom (series), sonic the hedgehog (series), 2020, 5 fingers, clothes, male, quills, red tail, shoes, simple

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Sonic The Hedgehog Boom (1994-2022 RIP) (@spinballer1993) / X

Knuckles The Echidna (@SentryOfChaos) / X

Knuckles The Echidna (@SentryOfChaos) / X