2002-2003 Victoria: "Elvis" (N179AC); New South Wales: "Georgia Peach" (N154AC) & "Incredible Hulk" (N164AC)[7] and "Isabelle" (N178AC) and "Gypsy Lady" (N189AC).[8]
2003-2004 Victoria: "Elvis" (N179AC); New South Wales: "Isabelle" (N178AC)
2004-2005 Victoria: "Elvis" (N179AC); New South Wales: "Rocky" (N722HT)[9]
2006-2007 Victoria: "Elvis" (N179AC) & "Malcolm" (N217AC)[10] ; New South Wales: "Shania" (N720HT)[11]; Australian Capital Territory: "Delilah" (N194AC)
2007-2008 Victoria: "Elvis" (N179AC) & "Elsie" (N218AC)[12]; New South Wales: "Shania" (N720HT)[13]; Australian Capital Territory, South Australia and Tasmania (shared): "Incredible Hulk"[14][15]
2008-2009 Victoria: "Elvis" (N179AC) & "Bluey" a.k.a "Elsie" (N218AC); New South Wales: "Malcolm" (N217AC) & "Clancy" a.k.a "Isabelle" (N178AC); South Australia: "Flynn" a.k.a "Christine" (N173AC); spare "Delilah" (N194AC); for the period of Australian operations, some aircraft have been temporarily renamed with Australian themed names.[16]
NB: The aircranes are contracted to the various state and territory governments through the National aerial firefighting centre.

This info from: http://en.wikipedia.org/wiki/Elvis_(helicopter)