Danny & Clyde's Food Store is a chain of convenience stores. Ernest Big Dan Danjean and Perrin Clyde Rittiner opened the first location in 1973. The company started in Gretna, La., and has expanded to locations throughout the New Orleans metropolitan area and southern Louisiana. Danny & Clyde s Food Store is known for its deli, which features an overstuffed Po-Boy sandwich. Its deli offers a menu of sandwiches and off-site catering services. Each Danny & Clyde s Food Store location offers unleaded gasoline, snack items and a deli.