Six Dog Pro Prospects

Not sure just yet WHO will help these guys out in 6 dog, but I have listed the Prospects!! I'll leave it up to my competition to guess who?
... Big Boy-2004 (M) (L)
Mother: Unknown
Pedigree
... Jack-1999 (M) (L)
Father: Unknown
Mother: Unknown
Pedigree
... Gazer-1999 (M) (L)
Father: Unknown
Mother: Unknown
Pedigree
... Ozzie-2003 (M) (L)
Mother: Unknown
Pedigree
... Screamer-2003 (M)
Mother: Unknown
Pedigree