John Frum (or Jon Frum, or John From) is a figure associated with cargo cults on the island of Tanna in Vanuatu. He is often depicted as an American World War II serviceman who will bring wealth and prosperity to the people if they follow him. He is sometimes portrayed as black, sometimes as white; from David Attenborough's report of an encounter: "'E look like you. 'E got white face. 'E tall man. 'E live 'long South America."
Read more about John Frum: History