How are Ashton Irwin and Steve Irwin related?

Ashton Irwin and Steve Irwin are not directly related, but they share a common surname and are both notable Australians. Ashton Irwin is the drummer for the band 5 Seconds of Summer, while Steve Irwin was a famous wildlife expert and conservationist known as the "Crocodile Hunter." Their connection is primarily through their Australian heritage and the impact they have had in their respective fields.