In mythology, the creature often depicted as friendly and helpful to humans is the dog. Many cultures feature dogs as loyal companions or guides, symbolizing fidelity, protection, and loyalty. For instance, in Greek mythology, Cerberus serves as a guardian to the underworld, while in various Norse tales, dogs are associated with warriors and the afterlife. In many folklore traditions, dogs assist heroes on their journeys, showcasing their role as pivotal allies, emphasizing the deep bond between humans and animals throughout mythology.