so i've thongged up lots of things personally: greek gods [hermes, had the right accessories], a couple superheroes, a swamp creature, and really it all comes down to the right accessories and your comfort and mobility, and dressing for the weather. a couple years ago i was a wizard in a thong lol. i had a cape and harness to match my thong, a fur shouldier piece, a nice belt and pouch, a staff, and of course, a wizard hat. had a long beard too but ended up not using it.
also, here's an old youtube channel i like that had some good ideas. it's no longer posted on but still worth refrencing.
https://www.youtube.com/channel/UC3F4jqzAFKn5ycyMisbaLYA