Conversation so far:
When was Dame Edna Everage invented?
1955
How was the character Dame Edna Everage received by the public?
The character's overseas debut, now as Edna Everage, was in the early 1960s at comedian Peter Cook's nightclub, The Establishment, in London's West End, where she received a poor review.
What other appearances did Dame Edna Everage made besides The Establishment in the early 1960s?
In 1972, the character appeared as Barry McKenzie's Aunt Edna in the film, The Adventures of Barry McKenzie.
Are there any other interesting aspects about the Dame Edna Everage article?
Following the lukewarm reception to Edna's early appearances Humphries devised a stage show titled Edna Everage Housewife Superstar

Question: Was this a successful action?
Self-contained rewrite: Was devising a stage show titled Edna Everage Housewife Superstar  a successful action for Humphries?