Robotnik Wears Sonic Underwear by AlcaVexus on DeviantArt

Sonic the CROSSDRESSING Hedgie by sonigoku on DeviantArt

Sonic's favorite clothes by pocket-arsenal on DeviantArt

Amy Rose with her underwear 2 by Abbysek on DeviantArt

Sonic in 1876 by xXMCUFan2020Xx on DeviantArt

The 1st Annual Eggman/Robotnik Parade of Sidekicks by jongraywb.deviantart.com on @deviantART

xx157xx - Hobbyist, General Artist

Dr. Robotnik -SatAM on Realm-of-Robotnik - DeviantArt

GASP Sonic's wearing clothes by AngieCreations on DeviantArt

Maria Robotnik (Biniki suit) by Albatroswar on DeviantArt

Maria Robotnik (Biniki suit) by Albatroswar on DeviantArt

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Dr. Robotnik -SatAM on Realm-of-Robotnik - DeviantArt