Q:
 What is their temperament?

A:
The PON is clever and perceptive, with an excellent memory.  It is important to realize that the PON needs a dominant master and good consistent training from the time it is very young.  If this is not provided, the PON will tend to dominate its master.  The PON needs close contact with people and loves to have a job.  They are most eager to please in any task you can provide them to accomplish.