The Possible report has Gus 80.66% “western” which is broken down into:
Maine Coon 20.83%
Russian Blue 15.28%
Siberian 11.02%
Norwegian Forest Cat 4.54%
American Shorthair 2.02%
Broadly Western 26.99%
His Exotic level is 5.79% also broken down between Egyptian Mau, Savannah and Broadly Exotic.