Cerbeus ( Cerbie )

Cerbeus is Hades's three-headed dog who guards the Underworld.

Appearance
Cerbeus has three heads and black fur.

Personality
Cerbeus a good guard dog, but he is lonely when Hades goes to earth to help heros for a long time, as seen in Hit The Road, Helen and Get Lost, Odysseus! Cerbeus is not lonely anymore because in Get Lost, Odysseus! Hades turned Odysseus's dog, Argos, into a ghost dog for Cerbeus to play with when Hades is away. He is afriad of babies since Say Cheese, Medusa! because of baby Perseus.

History
Cerbeus is the child of Echidna and Typhon. His siblings are Hydra, Orthus, Sphinx, and Chimaera. Hades first met him when he first went to the Underworld. Later, Hades met him when he was rescuing Zeus from Typhon's cave.