In Homer's "The Odyssey," the three-headed creature is Cerberus, the guardian of the Underworld. While Cerberus does not appear directly in "The Odyssey," he is referenced in relation to the realm of Hades. He is depicted as a fierce dog that prevents the dead from escaping and the living from entering without permission. His presence symbolizes the boundary between life and death.
A terrible dog.
you put arms on your creature then take of the hands and but on a mouth and eyes
The three-headed dog that guards Hades is Cerberus.
Cerberus was a mythological creature. a Dog like monster with three heads whom lived in the underworld.
Rick Riordan got the idea of a three-headed dog from Greek mythology. In Greek mythology, this creature is known as Cerberus, and he guards the entrance to the underworld. Riordan incorporated this mythological creature into his popular book series "Percy Jackson and the Olympians."
Human-headed lamb.
They were sirens.
Scylla.
Scylla * is a six headed, twelve legged creature. Circe wanted Odysseus to take their path to Helio's Island instead of Charbdis. (another creature who creates a whirlpool). Scylla took six of Odysseus' best men for each of her heads while on his way.
The nine headed creature was a hydra
Double-headed eagle
Surely Fluffy, the 3-headed giant dog, would qualify.