demonocracy

A government by or of (supernatural) demons, such as the government which in some mythologies exists in Hell.

Demonocracy, the Government of Devils ...

Thus we see, that while the theological and doctrinal poet inaugurated male supremacy in the person of the godhead in heaven, of humanity on earth, and of demonocracy in hell, so did the philosopher propound the universal prevalence, and irresistable omnipotence, of the male principle throughout the whole of existence.

A democracy. (when regarded as resulting in, or being no better than, a government run by figurative demons (i.e., malevolent people), or when otherwise held in contempt).

Tuning in, turning on, and dropping out are the politics of demonocracy, the counsel of despair leaving the field to adversaries, […]

2005-06, Matthew Bellamy, "Assassin", Black Holes and Revelations Oppose and disagree, destroy demonocracy.