The Church of the Flying Spaghetti Monster, while having existed in secrecy for hundreds of years, only recently came into the mainstream when this letter was published in May 2005.
With millions, if not thousands, of devout worshippers, the Church of the FSM is widely considered a legitimate religion, even by its opponents – mostly fundamentalist Christians, who have accepted that our God has larger balls than theirs.
If you too wish to be touched by his noodly appendage find out more here.
