The supreme deity of a given setting is not just a mere jerkass -- he is actively malevolent, a callous, sadistic, tyrannical monster who created the world or universe to be a miserable sack of crap. The classic problem of evil tends to be invoked in this trope, along with the irrationality of religious extremism. People foolish enough to try a Religious Russian Roulette to get a god like this to answer their prayers are unlikely to like the result. Examples of God Is Evil include: