Betty Crocker was created to answer letters from consumers for the Washburn Crosby Flour Company.
Aunt Jemima is a character named from a minstrel song.
Duncan Hines, on the other hand, was a famous food and hotel reviewer who sold his name to the cake mix company.
Sanders and Redenbacher were also real, even if they looked like fictitious characters.
Joanne Woodward’s husband, Paul?
He’s definitely real.