This page lists the most popular mains for each region in Super Smash Bros. Ultimate
Queensland Queensland
Ness Ness - 30 players
Victoria Victoria
Bowser Bowser - 33 players
New South Wales New South Wales
Captain Falcon Captain Falcon - 20 players
Palutena Palutena - 20 players
South Australia South Australia
Cloud Cloud - 17 players
Australian Capital Territory Australian Capital Territory
Bowser Bowser - 14 players
Western Australia Western Australia
Captain Falcon Captain Falcon - 19 players
Donkey Kong Donkey Kong - 19 players
Northern Territory Northern Territory
Roy Roy - 1 player
Wolf Wolf - 1 player
Joker Joker - 1 player
Pyra / Mythra Pyra / Mythra - 1 player
Tasmania Tasmania
Donkey Kong Donkey Kong - 7 players
New Zealand New Zealand
Roy Roy - 21 players