Rufus

Ron Stoppable's pet naked mole rat, considered a member of the team — in fact, he often proved to be a good deal more competent than Ron, or even Kim Possible on occasion. Ron got Rufus because he could only have a hairless pet due to his father's allergies. At first, Kim was disgusted by Rufus, but later in the show, she liked him and often even relied on his help.

Rufus is largely anthropomorphic, in that he can stand upright, and is able to see clearly. Rufus is capable of understanding English and of abbreviated speech.