Peter Batey with some of the entries in the Bald Archy Prize 2013 on display at the Watson Arts Centre, Canberra. Photo: Melissa Adams. Click for more photos

The Bald Archy Prize 2013

Peter Batey with some of the entries in the Bald Archy Prize 2013 on display at the Watson Arts Centre, Canberra. Photo: Melissa Adams.

A stark-naked "Ribena-pants" Dame Edna, a regal, portly and chocolate-faced Gina Rinehart and a cigarette-sucking Julia Gillard have all made the cut as subjects of Australian ire.

The Bald Archy Prize, spoof of respected brother the Archibald Prize for portraiture, marks its 20th birthday this year and Western Australia's Gina Rinehart has come up as one of the most popular subjects.

She also featured in the satirical exhibition as a vampire and in a large white gown, holding a $2 coin above a pair of black hands.

She joins fellow Western Australian Julie Bishop in the exhibition of portraits, as well as Governor General Quentin Bryce.

Opposition leader Tony Abbot – who was featured in 2011's winning piece with Julia Gillard – was a popular subject, as well as controversial political leader Bob Katter and Treasurer Wayne Swan.

The Bald Archy Prize has come a long way from its meagre beginnings at the Coolac Festival of Fun and over the years its winning subjects have included Julian Assange, Bart Cummings, Bert Newton, the Danish royal family, Dane Edna Everage and Amanda Vanstone.

In keeping with the nature of the competition, it isn't the Prize's creator and director Peter Batey who chooses the winner, but a sulphur-crested cockatoo named Maude.