Vulcan Joseph

, famously known as the, is an independent scientist.

Personality
Vulcan is a very skilled scientist, but much prefers to work alone, not responding to Haijima's requests for him to join their organisation.

Post-Asakusa arc
Vulcan first appeared when Shinra, Arthur and Iris showed up at his facility. When he heard Arthur shouting, he opened the entrance only to poke out his hand, told them to leave, and threw soda cans at the two fire officers. He prepared to throw a third at Iris, but noticed her squealing, and shut the door.

Trivia

 * Vulcan's name is a tribute to the god of fire Vulcan in ancient Roman religion and myth, including the fire of volcanoes and metalworking.