No, only that one. Actually the Hydra guarded an entrance to the underworld too -- then Hercules killed it.
I would say Cerberus. But, he is fond of black animals.
No, Cerberus was a gift to him.
Cerberus is a guardian of the Underworld. He is practically Hades' pet, so yes, Cerbeus liked Hades
In the Underworld his most well known associates aside from Persephone are Charon, Hecate, Cerberus, and the Fates.
Cerberus was the offspring of Typhon and Echidna. During one of his quests with his brothers Zeua and Poseidon, he found Cerberus and took a liking to him. Cerberus was then given to Hades by the parents because they saw that Hades would take care of him.
Cerberus is the name of the dog that guards the gates to the underworld. Hades keeps the gates to the underworld protected by the three headed dog. Cerberus.
Hades.
Cerberus
Hades is a God, not a place. So therefor Cerberus is not located anywhere in Hades. However, Cerberus guards the Underworld. But he is usually found at Hades' side.
Yes, he can reincarnate himself into different (fearsome) animals by hades side but he generally is not slain by heros.
Hades invented Cerberus because it was his own dog!
Cerberus is the name of Hades' hound.