The Fifth Head of Cerberus and Mr. Million, adding that its "unseen" heads are his brother David as fourth and, by implication, the fifth and final the narrator's own. Following this logic, the title of the novella therefore refers to the narrator himself, whose story we read. Further parallels between the narrator's family and the mythology of Cerberus can be drawn in numerous other ways throughout this novella. For example, a statue of this mythological creature exists at the front, or "gates" of their family home, which is itself located at 666 Saltimbanque, this number having associations with the underworld dating back to the Greek
Pluto (mythology) . Jupiter got the sky, Neptune got the sea, and Pluto got the shaft." In Riordan's explanation, Hades "was more of a death god," but acquired his identity as a god of wealth among the Romans, along with a new name. Scientific terms derived from the name of Pluto include: Pluto (mythology) Pluto (Latin: "Plūtō"; , "") was the ruler of the underworld in classical mythology. The earlier name for the god was Hades, which became more common as the name of the underworld itself. In ancient Greek religion and mythology, Pluto represents a more positive concept of the god