Sparsely line the bottom of a 13x9x2-inch pan with cubed pound cake.
Layer with banana slices and Nilla Wafers as desired. In a bowl, combine the cream cheese and condensed milk, and mix until smooth. Add whipped topping into the cream cheese mixture.
In another bowl, combine the milk and pudding mix. Blend well using a handheld electric mixer. Add the cream cheese mixture to the pudding mixture and stir until well blended.
Pour the mixture over the layered cookies, bananas, and cubed pound cake.
Crush up the remaining Nilla Wafers and sprinkle over the top. Refrigerate until ready to serve.
