Gods are whatever the believer needs them to be. They are the distorted reflection of one's own fears and prejudices writ large and projected onto the Universe. But above all they are useful.
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.'