Looks like John Travolta is a national hero down there,
It all started with the movie Grease. He was good friends with Olivia Newton-John so that was good enough for us (speaking on behalf of the entire country) to consider him an honorary Australian. Tom Cruise was likewise adopted when he married "our Nicole" but we (once again speaking on behalf of the entire country) had to pick sides when they divorced and now he is just another loud mouthed Yank.
Hope that helps.