Echidna (mythology) eyes" and she bore "fierce offspring". First there was Orthrus, the two-headed dog who guarded the Cattle of Geryon, second Cerberus, the multiheaded dog who guarded the gates of Hades, and third the Lernaean Hydra, the many-headed serpent who, when one of its heads was cut off, grew two more. The "Theogony" mentions a second ambiguous “she” as the mother of the Chimera (a fire-breathing beast that was part lion, part goat, and had a snake-headed tail) which may refer to Echidna, though possibly the Hydra or even Ceto was meant instead. Hesiod next names two more descendants of Echidna,
Monster Mythology in length (half page), though some take up two columns (full page). Each entry includes one or more paragraphs of descriptive text to indicate what sort of deity it is, followed by a brief statistics line (describing the deity's alignment, the most common alignment of its worshippers, the god's area of control, and a description of the god's symbol). Each section also describes the god's avatar and priesthood, as noted in the Introduction. The following beings are detailed in "Monster Mythology": Gods of the Elves Gods of the Dwarves Gods of the Gnomes Gods of the Halflings Gods of the