Dog-Ra was a robot where it appeared as a puppy at first but later revealed to be a robot made from Kamikazi to capture Robotboy.
Dog-Ra is a robot created by Dr. Kamikazi. It was designed to capture Robotboy.
Tommy rescued Dog-Ra from the Road and tried to bring it into his Family.
Dog-Ra heeds Tommy's demands,but does not do anything (other than the occasional bark.)
Dog-Ra seems to hate Gus. Gus even tries to earn Dog-Ra's respect, but Dog-Ra despises him.
Dog-Ra runs back to Tommy when Gus tries to confront him.