As far as the God's Not Sead thing goes, I'm only familiar with it through Hugo and Jake of The Bible Reloaded. That was enough.
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.'