In a large bowl, combine the wafer crumbs, butter and ⅔ cup peanuts. Press into an ungreased 13-in. x 9-in. baking dish. Bake at 350° for 8-10 minutes or until lightly browned. Cool.
In a large bowl, beat the cream cheese, sugar and peanut butter until smooth. Fold in 2 cups of whipped topping. Spread over crust.
In a another large bowl, beat milk and pudding mixes on low for 2 minutes. Carefully spread over cream cheese layer. Cover and refrigerate for 4-6 hours.
Just before serving, carefully spread remaining topping over the pudding layer. Sprinkle with grated chocolate and the remaining peanuts.
