Prepare the cake mix according to directions on box. If using two round cake pans, once cake is done, pierce cakes with large fork at 1/2" intervals. Mix boiling water and jello together; stir two minutes until completely dissolved. Pour over cake layers. Refrigerate for three hours.
Beat pudding mix and milk in bowl with whisk for two minutes; stir in Cool Whip. Dip one cake pan in warm water for 10 seconds; unmold onto plate.
Spread with about one cup pudding mixture. Unmold second cake layer; carefully place on first cake layer. Frost top and side of cake with remaining pudding mixture. Refrigerate for one hour. ENJOY!!