Bhairava (भैरव, frightful), or Kala Bhairava, is a Shaivite and Vajrayāna deity worshiped by Hindus and Buddhists. In Shaivism, he is a powerful manifestation, or avatar, of Shiva associated with annihilation. In Trika system Bhairava represents Supreme Reality, synonymous to Para Brahman. Generally in Hinduism, Bhairava is also called Dandapani ("[he who holds the] Danda in [his] hand"), as he holds a rod or Danda to punish sinners, and Svaśva, meaning "whose vehicle is a dog". In Vajrayana Buddhism, he is considered a fierce emanation of boddhisatva Mañjuśrī, and also called Heruka, Vajrabhairava, and Yamantaka. He is worshiped throughout India, Nepal, Indonesia, Sri Lanka and Japan as well as in Tibetan Buddhism. Bhairava originates from the word bhīru, which means "fearsome". Bhairava means "terribly fearsome form". It is also known as one who destroys fear or one who is beyond fear. One interpretation is that he protects his devotees from dreadful enemies, greed, lust, and anger. These enemies are dangerous as they never allow humans to seek God within. There is also another interpretation: Bha means creation, ra means sustenance and va means destruction. Therefore, Bhairava is the one who creates, sustains and dissolves the three stages of life. Therefore, he becomes the ultimate or the supreme. The origin of Bhairava is traced back to a conversation between Brahma and Vishnu which is recounted in the Shiva Puranam. In it, Vishnu inquired of Brahma, "Who is the supreme creator of the Universe?" Arrogantly, Brahma told Vishnu to worship him as Supreme Creator. One day, Brahma thought "I have five heads. Shiva also has five heads. I can do everything that Shiva does and therefore I am Shiva." Brahma became a little egotistical as a result of this. Additionally, he began to forget the work of Shiva and also started interfering in what Shiva was supposed to be doing. Consequently, Shiva threw a small hair from his head which assumed the form of Kala Bhairava and casually went to cut off one of Brahma's heads.