More seriously, though:
I was born and have lived almost my entire life in Australia. My parents immigrated from America a few years before I was born, and are a pretty standard caucasian mix (French, German, Irish, English, Scottish, etc). I consider myself an Australian, pure and simple.
I think, because Australia is a country that is that much 'newer' (in terms of the caucasian/european population), almost everybody here is 'from' somewhere else. The most anyone can go back as an 'Australian' is three or four generations at most.
Using my school friends as an example (a bunch of 12 of us), there are a
maximum of 3 parents that were born here in Australia. I'm not even sure about two of them. The other 21 were all born overseas and have moved here either before or after having children. Naturally, that's not a cross-section of the entire population, but I can say clearly that a vast, vast majority were either born overseas, or were born into a newly-immigrated family.
As you can see, nobody here is really, truly 'Australian', in the sense that someone might call themselves 'Italian' or 'Irish'. And yet, at the same time, everybody is absolutely Australian, simply because they choose to be.
I think the 'identity' of an 'Australian' is much more flexible and undetermined than even an 'American' or 'Canadian', despite both being new-ish, immigrant-heavy countries.
Still, the stereotypical Australian is actually an image I'm quite proud of... Yes, we have issues like any other country on the planet, but to be perfectly honest, I love love
love the fact that Aussies are seen by most others as lovable larrikins - friendly and down to earth and just generally
good people. You would not believe how often I hear 'I've always wanted to go to Australia!!' or 'I love Australians!' when I'm overseas. It makes me all warm and glowy.
And if anything, when going overseas, I can't help myself, but I
try to conform to stereotype, to be 'more Australian' than I naturally am. It is actually beyond amusing to tell someone to 'Oi, bring a plate, we're gonna do a barbie on Rotto this arvo, so don't forget your bathers. I'll have the ute and an esky - I think Gazza is doing spuds, vegies and icy poles for the kids. Oh, and you didn't take off with my bloody trackie daks, didja?' and watch them try and decipher it.
But the mix of ethnicities and cultures is wonderful, and as a result, the rest of the world is that much more familiar, when I do get the chance to venture out. Some examples of the diversity I come across - some of my bestest best friends are of asian heritage, and more than a few times I have been the only caucasian in a room where I happen to be. I see many girls dressed in the full muslim hijab walking through the corridors of my faculty, chatting enthusiastically with a friend, who may or may not be dressed similarly. I have coffee with two girls from Switzerland and Sweden every week. It is common to speak to someone and have them respond to you with an accent, and not uncommon to pass by people who are conversing in another language altogether. It delights me when I hear little children jabbering away in another language.
This is a 'global culture' - very few people here only know their way of life and nothing else. And I think that can only be a good thing.