Captured and turned into a guinea pig centuries before by Circe along with his crew, he is inadvertently set free by Annabeth and he is left marooned on the island when Percy and Annabeth steal the Queen Anne's Revenge to escape.
Captured and changed into guinea pigs centuries earlier by Circe along with his crew, he is accidentally released by Annabeth. Left alone on the island, they are forced to flee from their captors using the Queen Anne's Revenge when Percy and Annabeth steal it.