Yes, I actually had someone a few years back who tried to use that 'dog spelled backwards' thing as a slam-dunk argument that his pet god exists. Strangely enough, he went quiet after I pointed out that dog read backwards does indeed spell god - in English. In French, the name of 'god' would be neihc, the German one would be dnuh, Latin would probably give us sinac (which would make an absolute killer god's name) and so on.
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.'