What was the name of the first boat person to arrive in oz?

Amhere

What was the name of the second person to arrive?

Amhere Azwel

What was the name of the third person?

Amhere Azwell Azhim

Gday...

I do like the cleverness of the joke but perhaps this mob were the first here in a boat ...

 The first ship and crew to chart the Australian coast and meet with Aboriginal people was the Duyfken captained by Dutchman, Willem Janszoon in 1606.

Cheers - John