Lovecraft depicts Cthulhu as a gigantic entity worshiped by cultists. Cthulhu's appearance is described as looking like an octopus, a dragon and a caricature of human form. Its name was given to the Lovecraft-inspired universe where it and its fellow entities existed, the Cthulhu Mythos.
Once people realize that the root of the enacted law is the moral law, that the root of the moral law is the design of the created order, and that the root of the created order is the Creator, they are only one short step from understanding what happens when the roots of law are severed.
late 14c., righteous in the eyes of God; upright, equitable, impartial; justifiable, reasonable, from Old French juste just, righteous; sincere (12c.), from Latin iustus upright, equitable, from ius right, especially legal right, law, from Old Latin ious, perhaps literally sacred formula, a word peculiar to Latin (not general Italic) that originated in the religious cults, from PIE root *yewes-law (cf. Avestan yaozda-make ritually pure; see jurist).