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, the traditional Christmas pet.

Great Pyrenees + Dachshund
Pyradachs, a puzzling breed.

Pekingese + Lhasa Apso
Peekasso, an abstract dog.

Irish Water Spaniel + English Springer Spaniel
Irish Springer, a dog fresh and clean as mountain air.

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, Not a good dog.

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
You figure this one out