2023年3月22日 · Echidna was a female serpent-monster of Greek mythology, the daughter of the sea gods Phorcys and Ceto. She was usually represented with the head and torso of a woman and the tail of a serpent. Echidna mated with another monster, Typhoeus, and together they spawned a new generation of monsters, including Cerberus, the Chimera, the Hydra, and Orthus