Dame Edna emerged when the young Mr. Humphries, under the sway of Dadaism, was performing with a repertory company based at the University of Melbourne.... On long bus tours, he entertained his colleagues with the character of Mrs. Norm Everage — born Edna May Beazley in Wagga Wagga, Australia, sometime in the 1930s — an ordinary housewife who had found sudden acclaim after winning a nationwide competition, the Lovely Mother Quest.
Unthinkable as it seems, Edna was dowdy then, given to mousy brown hair and pillbox hats. But she was already in full command of the arsenal of bourgeois bigotries that would be a hallmark of her later self...
I loved Dame Edna. (Click my "Dame Edna" tag.) But not everyone appreciated this sort of humor: