Bhairava is a Hindu deity, a fierce manifestation of Shiva associated with annihilation. Bhairava originated in Hindu legends and is sacred to Hindus, Buddhists and Jains alike. He is worshiped throughout India,Sri Lanka and Nepal.
Bhairava is the wandering form of Lord Shiva and they guard the cardinal points. There are 64 Bhairavas. These 64 Bhairavas are grouped under 8 categories and each category is headed by one major Bhairava. The major eight Bhairavas are called Aṣṭāṅga Bhairavas. The Ashta Bhairavas control the 8 directions of this universe. Each Bhairava has eight sub Bhairavas under them, totaling 64 Bhairavas. All of the Bhairavas are ruled and controlled by Maha Swarna Kala Bhairava otherwise known as Kala Bhairava, who is the supreme ruler of time of this universe as per Hindu scriptures.
Bhairavi is the consort of Kala Bhairava. Bhairava is also called as protector, as he guards the eight directions of the universe. In all Hindu temples, there will be a Bhairava idol. This Bhairava is the protector of the temple. In Shiva temples, when the temple is closed, the keys are placed before Bhairava. Bhairava is also described as the protector of women. He is described as the protector of the timid and in general women who are timid in nature.