FWIW, back in March there was a thread about the difference between a Sufferlandrian and a Wahooligan, according to ChatGPT:
Also, keep in mind that ChatGPT is only updated to the web’s goings on as of January, 2022 (from what I can find). But, the first reference to Wahooligan on these forums goes back to June 2020, when the forum was first established: