|Appeared in:||Joseph Katz and his Coat of Many Colors Painting|
Joseph Katz is a large black cat with dark green eyes and a vibrant coat featuring various colors and designs. Joseph also wears bright orange sandals.
- Joseph Katz is a parody of the famed Bible character Joseph who was given a colorful coat as a gift from his father.
- He appears on the front cover of The Secret Art of Dr. Seuss.
- It is very likely that he is related to Archbishop Katz.