19978 - safe, artist:bongwater777, knuckles the echidna (sonic), shadow the hedgehog (sonic), echidna, hedgehog, mammal, monotreme, anthro, sega, sonic the hedgehog (series), 2020, black fur, black tail, blushing, chaos emerald, cheek fluff

180564 - safe, artist:nextgrandcross, knuckles the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), 2012, angry, clothes, fist, fur, gloves, gritted teeth, looking at you, male, purple eyes, red

208041 - safe, artist:ratchetjak, knuckles the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), 2d, male, solo, solo male - Furbooru

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14861 - safe, artist:fire-for-battle, knuckles the echidna, shadow the hedgehog, 2022, clothes, cute, dialogue, duo, english text, eyes closed, floppy ears, gay, green socks, hand on another's head, knuxadow, purring, sfx, shadowbetes

#188628 - suggestive, artist:kojiro-brushard, tikal the echidna (sonic), echidna, mammal, monotreme, anthro, sega, sonic the hedgehog (series), breasts, female, solo, solo female, underboob - 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

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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

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