I just found out about Dudeism, which looks like another version of my Apatheism.
Here's the snippet from the homepage:
Come join the slowest-growing religion in the world - Dudeism. An ancient philosophy that preaches non-preachiness, practices as little as possible, and above all, uh...lost my train of thought there. Anyway, if you'd like to find peace on earth and goodwill, man, we'll help you get started. Right after a little nap.
The site lists the great dudes of history, including Jesus, Snoopy, and, of course, THE Dude, Jeffrey Lebowski.
"The Dude Abides!"