Sonic in undies by miguelihg395 on DeviantArt

Sonamy Under the Mistletoe by miguel12298 on DeviantArt

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Commission for Gadgetboy197: Sonic VS Infinite 1 by UnknownFighter2010 on DeviantArt

shadow98113 - Hobbyist, Artist

Sonic the Hedgehog in a speedo (by me) by cvgwjames on DeviantArt

Amy rose underwear or undies and underpants by Kevincarlsmith on DeviantArt

shadow98113 - Hobbyist, Artist