Vulcanus is the god good of the underworld, of fire and the volcanoes,divine symbol of destructive power of nature and husband of Aphrodite. He is the creator of weapons and beautiful jewelry.In Rome, Vulcanus symbolizes the primeval force of fire as a natural element present in volcanoes; his legend tells that he is Coco's father, a gigantic monster. who spits fire and kills travelers in the Roman countryside.