Metatron is my featherweight robot that Mark likes driving, and Zack likes breaking!
But if you mean the name.

Metatron is one of the most powerful Angels in heaven above an archangel, the quick history
Enoch walked with God; then he was no more, because God took him away. €”Genesis 5:24 NIV.
Enoch was one of the few men who never saw death.
This Enoch, whose flesh was turned to flame, his veins to fire, his eye-lashes to flashes of lightning, his eye-balls to flaming torches, and whom God placed on a throne next to the throne of glory, received after this heavenly transformation the name Metatron.
It follows the Saint theme.