Nilla is a brand of wafers owned by Nabisco, a subsidiary of Mondelez International. The wafers are made with vanilla flavor and are a popular snack food. Necco is another brand of wafers owned by the New England Confectionery Company. These wafers are made with a variety of flavors, including chocolate, cinnamon, and wintergreen. Both Nilla and Necco wafers are widely available in grocery stores and convenience stores.