They were seen as villains and yet, even the villains themselves fear them. They were feared for their power. I mean, what kind of Quirk summoned monsters from thin air anyway? They are feared by all and that is what they want: Fear. They are the Nightmare Courts, a band of villainous yet utterly alien entities who brings the nightmares of others to reality and feed them to their call. Yet, they don't care what anyone consider them to be. What the Nightmare Courts only care about however, is that they will have enough power to awaken their comatose creator.