Religion, mythology, and history were plundered for nouns; hence, names like archangel, St. George, Roland, Mars, Valkyrie.
Alas, I don't think a direct message from the archangel Michael himself would do that trick.
archangel By Andrea Barrett Five stories in the age of modern science from a National Book Award winner.
(1Thess. 4:16; Jude 1:9), the prince of the angels.