Archangel Michael "Protection" Silver Pendant on Black Cord. As heaven�s greatest defender and mightiest warrior against evil, Michael (meaning �Who is like God�) is considered by Judaism, Christianity, and Islam to be the greatest of all the Archangels. Often depicted with a fiery sword, Michael was the leader of God�s celestial armies in the battle fought in heaven against the fallen angel Satan and his followers. After this battle, Michael was also charged with weighing the souls on judgment day.