The name Michael means 'who is like God' and he was originally a Chaldean deity. He is most often depicted winged with an unsheathed sword. He is God's greatest warrior and slayer of the evil dragon. He is said to be the Viceroy of Heaven and to hold its keys. He ranks as the greatest of all angels and weighs the souls of the dead and holds in his hands, the scales of justice. He is the Archangel of Repentance and of Righteousness, Mercy and Sanctification. He is chief of the ranks of Virtues and the conqueror of Satan. He is the angel of death that leads the souls of the faithful to eternal light.
His mystery name is 'Sabbathiel' He is credited as the author of the Psalm 85 and he is also credited with preventing Abraham from slaying his son, Isaac. The fire that Moses saw in the burning bush is said to be like Michael. Sarah and her husband Abraham were entertained unaware that they were, in fact, in the company of angels, not men.