It just dawned on me. Since Adam Bryce Thomas draws full on furry porn on the side, there is probably “official” porn of Surge, Lanolin, Whisper, and Tangle out there. I’ve not seen any posted on his usual haunts.
Most of his hardcore stuff is orginal like his Zootopia OCs from back in the day. But he’s done stuff like this with Bunny Rabbot: