"Dumb Donald" is a character from the animated television series Fat Albert and the Cosby Kids, created by Bill Cosby. He is known for his simple-mindedness and often makes silly mistakes, which provide comic relief in the show. Despite his lack of intelligence, he is a loyal friend and is loved by the other characters. The character is typically depicted wearing a green hat and a red shirt. His antics often lead to humorous situations, highlighting the importance of friendship and acceptance among the group. "Dumb Donald" serves as a reminder that everyone has unique qualities, regardless of their intelligence.