Betty Crocker
Betty Crocker was never a real person, but rather a fictional character created by the company (of the same name) that were used for their ad campaigns. In 1936, the portrait of Betty Crocker was commissioned to be used on packaging. The name Betty was chosen as it was an all-American name that sounded cheerful.
Alfred Bulltop Stormalong
Alfred Bulltop Stomalong is a folk hero that was the main character of many Massachusetts nautical tall tales. They name would first and frequently appear in sea shanties and later made an appearance in Here’s Audacity! a 1930 Frank Shay book. Even though he was featured in many stories, he is not believed to have ever actually existed.