Leviathan is a giant sea serpent noted in theology and mythology. It is referenced in the Hebrew Bible, as a metaphor for a powerful enemy, notably Babylon. It is referred to in Psalms, the Book of Jo
Leviathan the sea-monster, with Behemoth the land-monster and Ziz the air-monster. "And on that day were two monsters parted, a female monster named Leviathan, to dwell in the abysses of the ocean over the fountains of the waters. But the male is named Behemoth, who occupied with his breast a waste wilderness named Duidain." (1 Enoch 60:7–8)
Leviathan (1983), a painting by Michael Sgan-Cohen, the Israel Museum Collection, Jerusalem
Hellmouth The life of St John and Apocalypse, c. 1400
Saint John sees the devil, vanquished forever, cast into hell with the Beast and the False Prophet
Behemoth is a beast from the biblical Book of Job, and is a form of the primeval chaos-monster created by God at the beginning of creation. Metaphorically, the name has come to be used for any extreme
Leviathan
…demon to monster. Later Jewish sources describe Leviathan as a dragon who lives over the sources of the deep and who, along with the male land-monster Behemoth, will be served up to the righteous at the end of time. The Book of Enoch (60:7–9) describes Leviathan as a female monster dwelling in the watery abyss…
Behemoth as depicted in the Dictionnaire Infernal by Collin de Plancy
Behemoth and Leviathan, watercolour by William Blake from his Illustrations of the Book of Job (1805).