Varahi, Avatar of Vishnu depicted as Female Version of Varaha, the Boar

One of the Sapta Matrikas (Seven Mothers), Varahi is depicted with the head of a sow, She is the shakti (feminine energy, or sometimes, consort), or female version, of Varaha, the boar Avatar of Vishnu. She is usually worshipped at night, and according to secretive Vamamarga Tantric practices. (From the Devi Mahatmya of the Markandeya Purana.)

Image of Satguru Sivaya Subramuniyaswami
Finally, you go beyond light. Finally, you go into the core of existence itself, the Self God, beyond the stillness of the inner areas of mind. That is the mission and that is what humanity is seeking--total Self-God Realization.
—Gurudeva