Groovy Throh’s idle animation would be spelling YMCA with his three fingers and Groovy Sawk would just constantly be doing the John Travolta pointing move.
Patrons can submit prompts for Fake Monday (and Tuesday Chooseday and the webcomic too, by the way) by commenting on the prompt-post I put up every Monday. So if you want to submit your ideas for fake Pokémon, become a Patron!