Big smoopie dog's pedigree remains mystery

Mongo the dog beast has created a whirlwind of controversy over his dubious pedigree.
"Everybody asks, but we really don't know for sure what kind of dog he is." his owner stated. "As far as we can tell he seems to be a Mongolian Badger Hound. That's our story and we're sticking to it."
Extensive research however, has failed to definitively to peg the dog's breed.
"First we looked in all the AKC stud books, he wasn't there. We even checked out the Big Book of Dogs, no luck. Then, because he is such a beast we perused all of the medieval beasteries we could nail down. He wasn't there. We think that we think we may have found him though in the book of Revelation."
Further research is ongoing.