“Religion“ is the set of fanfic, merchandising and fancy costume conventions attended by the “followers“ who are the set of people who invent the first set. Without either one, the other could not exist.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'