Shani is the divine personification of planet Saturn. The God of Justice.
In Hindu mythology, Shani is a Deva (demi-god) who is the son of Sun god Surya. He punishes the wrong doers and delivers justice to the righteous. He is a part of Hindu system of celestial bodies – Navagraha. He is depicted as mounted on a buffalo, holding mace, sword, and trident. A strong position of Shani in horoscope destroys ego and brings fame in life.