Arioch is a character in John Milton's Paradise Lost. He was originally the guardian angel of Enoch, but rebelled against God and became a fallen angel who serves Satan. The name originates from a king mentioned in the Book of Genesis.
A fallen angel of Judeo-Christian lore representing vengeful spirits. Its name means "Fearsome Lion." When he still served God, he was entrusted with the protection of St. Enoch.