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In Order: - Gary Hogeboom (Guatemala) - Alex Angarita (Fiji) - Yau-Man Chan (Fiji) - Amanda Kimmel (Micronesia) - Sugar Kiper played her idol for Matty Whitmore (Gabon) - Russell Hantz (twice in Samoa) - Tom Westman (Heroes vs Villains) - Parvati Shallow (twice in Heroes vs Villains) - Chase Rice (Nicaragua) - Sash Lenahan (Nacaragua) - Kristina Kell (Redemption Island) - Ralph Kiser played his idol for Mike Chiesl(Redemption Island) - Rob Mariano (Redemption Island) - Troyzan Robertson (One World) - Jonathan Penner (Philippines) - Abi-Maria Gomes (Philippines) Since you didn't specify which 'Immunity Idol' was 'used' there have been a few players to 'use' an Immunity Necklace gained from challenges. (I think I missed some) - Jenna Morasca (Amazon) - Erik Reichenbach (Micronesia) - Brandon Hantz (South Pacific) Again, the Tribal Immunity Idol has been 'used' only once. - Manono Tribe (One World) One occassion excluded from the Tribal Immunity usage list is when Moto (Fiji) gave up their immunity to retain their camp. This, however, was an official choice offered to the tribe, not one that was thought up by the Tribe itself.