Leviathan in popular culture also make their appearance in the 5th book, the "Princeps' Fury", when Aleran and Canim armies cross the sea on ships. Mike Carey's ongoing comic "The Unwritten" features Leviathan as a central character/force of nature that lies at the heart of the plot. In the book - Prisoner, Jailor, Prime Minister, the author - Tabrik C has used Leviathan as a chapter name, essentially comparing the antagonist to the biblical sea monster. "Escape from Leviathan" is a book on libertarian philosophy by J C Lester. "Leviathan" is the title of a piece in David Sedaris's 2018 collection of essays, "Calypso."
Leviathan St. Thomas Aquinas described Leviathan as the demon of envy, first in punishing the corresponding sinners (Secunda Secundae Question 36). Peter Binsfeld likewise classified Leviathan as the demon of envy, as one of the seven Princes of Hell corresponding to the seven deadly sins. Leviathan became associated with, and may originally have referred to, the visual motif of the Hellmouth, a monstrous animal into whose mouth the damned disappear at the Last Judgement, found in Anglo-Saxon art from about 800, and later all over Europe. The Revised Standard Version of the Bible suggests in a footnote to Job 41:1 that