Koko usually just gets called puppy or puddin. Usually the only time I call her Koko is if I'm calling her when she is off leash or I'm really trying to get her attention, and is usually accompanied by "Come" or "NO". When we are chilling out watching TV then she is "my precious girl". ............ My son calls her Coconut.

Rascal on the other hand is always a Rascal, but I call him "buddy boy" if I'm asking him a question, like, "hows it going buddy boy?"