Dattatreya
Dattatreya is the God who is an incarnation of the Divine Trinity Brahma, Vishnu and Shiva. The word Datta means "Given", Datta is called so because the divine trinity have "given" themselves in the form of a son to the sage couple Guru Atri and Mata Anusuya. He is the son of Guru Atri, hence the name "Atreya."