Costello started off by going Reserve Winners Dog at the AMCA National Specialty when he was just 6 months old, He is a multiple specialty winner and Best In Show Winner! He is a six generation BIS, BISS winner, four of which are breeder/owner/handled.2005 was a great year as Cos took claim to
7 All-breed Best in Shows, over 22 Group 1sts, 11 Specialty wins, and ended up the #1 Alaskan Malamute All Systems. 2006 continued in style with Cos making history at the AKC/Eukanuba Championship and through November 2006 is the #1 Alaskan Malamute, #3 Working Dog and #20 All-breeds!