Java - Noun

Name of a english black labrador retriever with infinite patience to put up with a 14 week old puppy who:

Steals his pink pig
Jumps all over him
Asks to play tug at 4 am
Tries to steal his food
Mimic his every action (currently, they have synchronize joint going to the bathroom)
and basically, turned his world upside down..


Chase that tail



"Why????"