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In Sonic Rush Adventure, Kylok found Sonic, Tails, Blaze and Marine arriving on his island. He initially remained nervously suspicious of the visitors until he recognized Marine amongst them, noticing to his amusement that Marine had not change since he last saw her.
After introductions had been made, the heroes told Kylok about the rumors of the ghost ships, and he remarked that he had heard about those rumors as well. However, Kylok was somewhat hesitant to tell them any more, since Marine was afraid of ghosts, but she convinced him (after making a scene) to tell them anyway, and Kylok told the group that the ghost ship was located to the east of his island. As the heroes left, Kylok was concerned for Marine, but he understood that it was Marine's dream to see the world with her own eyes. Kylok then decided to return to Southern Island for a while.
↑Setter said near the end of Sonic Rush Adventure that "Now that all the members of the Coconut Crew are back, the village is nice and lively again." At that point, Daikun, Colonel, Kylok, Muzy, Setter and Tabby are all present at the island. Excluding Marine, everyone else on the island (namely Sonic, Blaze, Tails, Norman and Gardon) is a foreigner, meaning that Setter most likely referred to the previously-mentioned group of koalas as the Coconut Crew.