OZ is one of the best producing son's of gr.ch.mayday with less breedings as some of his well known half brothers. OZ produced these great dogs and many more. G.R.CH.T.S.K X-MAN 7X, C.H.187 ARMAGEDDON, C.H.D'S WERDO, C.H.HDK'S NYLA, C.H.R.N.T JUDGE 3XW