what exactly *are* demons?

Demons are supernatural beings often associated with evil, temptation, and chaos in various religious and mythological traditions. In Christianity, demons are believed to be fallen angels who rebelled against God and now serve Satan as his minions. In other traditions, demons may be malevolent spirits or entities that cause harm or possess individuals. They are often depicted as demonic creatures with disturbing appearances and powers to possess or influence humans. The concept of demons varies greatly across different cultures and religions.