Angra Mainyu is a term in Zoroastrianism that refers to the destructive spirit or evil principle that is opposed to the good spirit of Ahura Mazda. In various other cultures and religions, there are different names and synonyms for this concept of evil. In Christianity, Satan or the Devil is often used as a synonym, while in Hinduism, there is the notion of Maya or illusion that represents the negative force. The ancient Greeks had the term kakodaimon, which meant a wicked spirit or evil genius. Similarly, in Norse mythology, there was Loki, the God of Mischief, who created chaos and destruction. All of these terms and synonyms represent the negative force that opposes good and causes harm and destruction.