Gumbo is very tall and skin is the color red. He has black combed hair. His eyes, mouth, nose, and eyebrows are very similar to Gumby's. In many ways, Gumby resembles him.
Gumbo is very proper, polite, well mannered, and very helpful to their son, Gumby. In Gumby On The Moon, Gumbo practically saves Gumby's life. He is strict, but not too strict. With these qualities he is a traditional head of the Gumby family.