Zasa Mergen Baatar
Zasa Mergen Baatar, in Buryat mythology, is the tornado-god riding a brown hawk-horse.
Han Hormasta's eldest son Zasa Mergen Baatar married Sesegen Nogoon the daughter of Segeen Sebdeg. He obtained her as his bride by successfully wrestling the three sons of Atai Ulaan : Sagaan Hasar Buhe, Shara Hasar Buhe, and Hara Hasar Buhe.