Who named it Shih-Tzu?

Shih-Tzu dogs were born as a cross breed between the,  Lhasa Apso temple dogs of Tibet with the Pekingese dogs  in China. But were they just street dogs? NO! These dogs were owned by the Royal Family of the 
Ming Dynasty. Dalai Lama named the new born Shih Tzu meaning "Lion Dogs". These dogs were house pets. Shih Tzu were recognized by American Kennel Club in 1969 and approved as pets in 1989. It took 20 years to qualify these dogs as pets! 

Oldest and smallest of the Tibetan Holy Dogs and the oldest breed of dog. They have long coating that required regular brushing and grow the an average height of 11 inches with an average life span of 15 years. These dogs are known to be affectionate, loyal, and gets along with other pets and people.

For detailed information - Please check out any of the websites below.

References:

"History of shih tzu dogs." Google. Web. 14 Jan. 2010. .

"Shih Tzu | Dog Breeds | Overview & History." PetWave.com | Pet Care and Cat & Dog Breed Information. Web. 14 Jan. 2010. .

"Shih Tzu." CanaDogs - Canadian Dog Breeders. Web. 14 Jan. 2010. .