Some reports suggest Digby is a half human/half Yorkshire terrier force created in ancient times to prevent the kittens gaining control of the earth. Other intelligence experts dismiss this as fanciful nonsense and claim that Nanuuk Digby is an insane fantasist 'who wears a collar for kicks'.

Whatever the truth, Nanuuk Digby often seems to ally himself with The Albino in his work against the kittens.