The Canadians "toonie" ($2) has polar bears, and you'll also find Moose and Beavers (the animal) on the coins.No kidding, I'm gonna have to google that, I've only seen people on money. Except for one Canadian denomination. It had a Loon.
And yes, there is Canadian money showing kids playing hockey:
Aussie coins are where it's at: Platypus, Echidna, Kangaroos and some sort of bird that no one really knows. Instead of buying souvenirs for friends, I just gave them coins. Much easier to put in your luggage than a giant hat with little corks hanging from it.
The banknotes are just the standard people with the polymer windows, so maybe not too special, although you may come across a $50 with a spelling mistake:
https://www.bbc.com/news/world-australia-48210733