Mythological fire-breathers are creatures known as Chimeras, which have the head of a lion, the body of a goat, and the tail of a serpent. They are believed to have originated in Greek mythology, where they were described as monstrous fire-breathing creatures that could breathe fire from their mouths. Chimeras are also found in other mythologies, such as Hinduism and Norse mythology. In modern culture, Chimeras are often used as symbols of fear and danger.