Police said the pair, a 20-year-old woman and a 16-year-old girl, were selling stickers to people lined up to get tickets for Irwin's memorial service, the Australian Broadcasting Corp. reported. They allegedly claimed they were raising money for "Wildlife Warriors," an Irwin family environmental charity.
The woman was ordered to pay a $200 fine, while the teenager received a caution.
"I think the word un-Australian is really the first thing that comes to mind," John Stainton, a friend of the Irwin family, said.
The pair are not the only people trying to cash in on Irwin's death. The auction site eBay banned sales of tickets to the memorial service.
The tickets were distributed free.