Proper noun
Metatron
(Christianity, Judaism) An archangel and the chancellor of Heaven and the scribe of the book of life, in Christian and Jewish folklore. According to medieval apocrypha, he is Enoch, ancestor of Noah, transformed into an angel.
As Regent, Metatron has implanted the monotheistic religions across the universes. Source: Internet
They succeed, but themselves suffer annihilation in the process by pulling Metatron into the abyss. Source: Internet
The Authority himself dies of his own frailty when Will and Lyra free him from the crystal prison wherein Metatron had trapped him, able to do so because an attack by cliff-ghasts kills or drives away the prison's protectors. Source: Internet