What is the name of the mythical dog?

What is the name of the mythical dog? - briefly

The most well-known mythical dog is Cerberus from Greek mythology. He is often depicted as a three-headed hound that guards the gates of Hades.

What is the name of the mythical dog? - in detail

The mythical dog known as Cerberus, also spelled Kerberos, is a prominent figure in Greek mythology. According to ancient lore, Cerberus is the monstrous, multi-headed guardian of the gates of Hades, the underworld. With his three heads, he prevents the dead from leaving and ensures that no living being can enter without permission. This formidable creature is often depicted with serpentine manes and a tail that resembles a dragon's, further emphasizing his fearsome nature. Cerberus' lineage is traced back to the monstrous Typhon and Echidna, making him a powerful symbol of protection and transition in Greek mythology.