As far as I remember, xtians were the first - or the first recorded, perhaps - to be called atheists because they didn't believe in the Roman (?) gods. Try that one next time you get the "I wish I had the faith to be an atheist" line.
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.'