The following breeds are now recognized by the AKC:
Collie + Lhasa Apso
> Collapso, a dog that folds up for easy transport
Spitz + Chow Chow
> Spitz-Chow, a dog that throws up a lot
Pointer + Setter
> Poinsetter, a traditional Christmas pet
Great Pyrenees + Dachshund
> Pyradachs, a puzzling breed
Pekingnese + Lhasa Apso
> Peekasso, an abstract dog
Irish Water Spaniel + English Springer Spaniel
> Irish Springer, a dog fresh and clean as a whistle
Labrador Retriever + Curly Coated Retriever
> Lab Coat Retriever, the choice of research scientists
Newfoundland + Basset Hound
> Newfound Asset Hound, a dog for financial advisors
Terrier + Bulldog
> Terribull, a dog that makes awful mistakes
Bloodhound + Labrador
> Blabador, a dog that barks incessantly
Malamute + Pointer
> Moot Point, owned by....oh, well, it doesn't matter anyway
Collie + Malamute
> Commute, a dog that travels to work
Deerhound + Terrier
> Derriere, a dog that's true to the end
Bull Terrier + Shitzu
> Oh, never mind....

-- source unknown