The question was posed on morning radio who is the world's best known Melburnian.
While the answer is subjective and changeable over time, a few names sprung up:
Cate Blanchett - Australian actress and theatre director who has won many awards including an Academy Award.
Barry Humphries - Dame Edna Everage in her lilac-coloured hair and over-the-top eyeglasses is a character played by Barry Humphries.
Julian Assange - best known as the editor in chief of WikiLeaks
Olivia Newton-John - singer, songwriter, and actress.
Who do you think is the world's best known Melburnian?