The Pig was the temporary alias of Hercules when he was confronted by Circe. He had returned to her cave when she transformed him into the animal. While travelling through the woods, Jason and Pythagoras found him, believing him to be just a normal pig who was following them. After discovering that the pig had scavenged all the food except for a black olive, Pythagoras soon deduced that it was Hercules himself. (The Song of the Sirens)

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