Committed to spreading the Good News, GameFAQs drew up a list of top video game religions, and The First Church of LeChuck, Orthodox from Escape from Monkey Island is revered at #6. It would be no venial sin to neglect reading the piece, so do so for the sake of your soul. And if for some reason you're oblivious to the teachings of the Church of LeChuck, receive the sacrament of reconciliation that you don't deserve and read more about the faith on the Monkey Island Wiki.
Source: GameFAQs
