One of the reasons behind Dame Edna Everage's success as a character is her rich backstory, created by Barry Humphries.
Here on her 1987 talk show The Dame Edna Experience , Everage introduces her supremely downtrodden bridesmaid, Madge Allsop, played here by British actor Emily Perry.
Everage constantly denigrates Allsop, using her as a dowdy, comedic foil to her own fabulousness. Here, making her sit on a camp chair next to her and making her work in servitude to Everage's high profile guests.
Clip taken from season one, episode one of The Dame Edna Experience.