The Underworld is known to be guarded by Cerberus.
The Underworld is guarded by Cerberus.
The God Osiris was the god of the Underworld.
We are not told in Greek myth.
Cerberus was the hound who guarded those gates.
Cerberus, hound of Hades.
In Greek mythology, the gates of the underworld were guarded by Cerberus, a three-headed dog. Cerberus ensured that the dead could not escape and that the living could not enter without permission. He was often depicted as fierce and loyal, serving as a protector of Hades, the god of the underworld.
Cerberus was a three-headed, dragon-tailed dog who guarded the entrance to the Underworld.
The monster that guards the exit from the Underworld is Cerberus (Kerberos).
Hagrid's hellhound, Fluffy, is an allusion to the Greek guardian hellhound Cerberus, who guarded the Underworld, as Fluffy guarded the Sorcerer's Stone.
Lycans -
Cerberus (The three-headed dog, that guarded the gates of the underworld)[Lernaean] Hydra (A serpent-like creature with many heads)Minotaur (A beast with the body of a human and the head of a bull)tymphalian birds (Birds that feed on humans)
Cerberus was the dog that guarded the kingdom of Hades. So Hercules had to go to the Underworld.