Theres refferings in GTA IV to the Epsilon cult. There was someone asking about a cult in Los Santos area.
The most interesting part (for me) is that the nickname of the sender was "Bigfoot". Most of you know about the myth.Back to topic
You can see more goofy things if you visit their website (for real). Dont bother sending e-mail to them. I tried and the adress was dead.