タマ, Scratch
A small black cat a pet of Dr. Briefs that is always seen sitting on his shoulder. Tama which is Ball in Japanese is suggested to be a female although nothing official has been stated on the cats gender In the English dub however Tama is female referring to a quote by Dr. Briefs This is no ordinary cat Shes had 5 years experience. It is also suggested that Tama knows about how machines work and can be fixed but the lack of speech would pose quite an issue.