Vulcan's Greek counterpart is Hephaestus, the God of Destructive Terrestrial Fire and Volcanic Fire.
George is both the Centaur Chiron and Prometheus (some readers might see George's son Peter as Prometheus), Mr. Hummel, the automobile mechanic, is Hephaestus (AKA Vulcan); and so forth.
Adamson's grunter (Hephaestus adamsoni) is a species of fish in the Terapontidae family endemic to Lake Kutubu in the Kikori River system, Papua New Guinea.
He appeared in Percy Jackson & the Olympians: The Lightning Thief as Hephaestus, God of Craft and husband to Aphrodite, Unnatural History as Samuel Tolo & a guest appearance in the Fringe episode What Lies Below as Vincent Ames.
In the novels, Leo is the demigod son of the god, Hephaestus, and Esperanza Valdez.
Phthia is also an area in the 1988 Nintendo game "The Battle of Olympus," a playable level where the dragon Ladon and the god Hephaestus make their homes.
In order to try to cut the head off of Kronos' approach by sea, Percy and Beckendorf the son of Hephaestus attempt to destroy his ship, the Princess Andromeda.