Lord Dattatreya: The Triple Incarnation
भगवान दत्तात्रेय: त्रिदेव अवतार
Quick Answer
Lord Dattatreya is the combined incarnation of the Trimurti - Brahma, Vishnu, and Shiva - in a single three-headed form. He is the supreme guru, an Avadhuta (ascetic), and the patron of the Nath tradition.