A secret society dedicated to the restoration of the Kingdom of Poland-Lithuania, the imprisonment of Esperanto speakers, and furthering the eschatological doctrine of the Return from Occultation of the Thirteenth Imam, Val Kilmer. Seriously, what happened to that guy? He was awesome in Tombstone.
…but this is a pretty funny—and way more moral—form of revenge. The site revolutionislam.com, which threatened Matt Stone & Trey Parker with death for their Muhammad-themed jokes in the 200th episode of South Park, was hacked thusly:
Update: Looks like the aforementioned site was actually revolutionmuslim, so someone must have set this up as a joke for people looking for it…or something.