If you lived in the south, you would understand it should be Piggly Wiggly.
Besides, WD got it's start in 1913 in Burley, Idaho, and didn't become Winn-Dixie Stores untill 1955. WD filed for Chapter 11 this year.
Piggly Wiggly got started in 1916 in Memphis, Tennessee, as Piggly Wiggly, and was the first self service grocery in the country. They are all franchised, independently owned stores, and primarily
located in the southeast.