Cerberus

The guardian of Hades (both the god and the realm) in Greek mythology, Cerberus is one of the beasts summoned by Loki to attack the in Halls of Lost Legends. Often depicted as a three-headed dog, Cerberus is much more monstrous in appearance here with fish-like heads sporting many eyes, and multiple rows of jagged teeth. Cerberus is easily felled by.