The term 'Dumb Girl of Old Comics' refers to the character Dora, a four-letter name. Dora was a popular comic strip character in the early 20th century. She was known for her naivety and lack of common sense, often getting into humorous situations due to her ignorance. Despite her lack of intelligence, she was always portrayed as a kind and gentle person. Dora was a beloved character in the comics and remains an iconic figure in the history of comics.