Willoughby Whitfield is the protagonist in Herbie Rides Again.
Willougby is a lawyer and Alonzo Hawk's nephew. He was given the assignment to get Mrs. Steinmetz to move out of the firehouse. However, after spending time with Nicole Harris, he finally sees what kind of person his uncle really is, and decides to help Mrs. Steinmetz protect her home.
During his time with Nicole, they fall in love, and at the end of the film, he marries her.