In a small bowl, mix together 2/3 cups peanuts, flour, and softened butter and sugar. Mix until crumby. Press in the bottom of a greased 13"x9" pan and bake for 20 mins. at 350. Cool completely.
Cream 1/2 cup peanut butter, and cream cheese. Add powder sugar and mix well. Fold in 8-oz (1/2) of the cool whip and spread over cooled crust.
Mix 1 1/2 box of vanilla pudding mix with 2 cups milk until thickened. Spread over cream cheese layer. While makin the fourth layer. Ref. to firm up mixture.
Mix 1 box chocolate pudding mix with 1 1/3 cups mild and mix will. Add remaining 1/2 cup peanut butter mix will. Pour over set pudding mixture spread evenly.
Mic the other 1/2 box of vanilla pudding mix to the remaining cool whip and mix will. Spread over chocolate mixture and top the cool whip with the remaining 1/3 cups peanuts and greated chocolate if you want too. Chill 2 to 3 hours until set.