To make crust, place one box of vanilla wafers in a blender or food processor. Blend to fine crumbs. Mix vanilla wafer crumbs and melted butter with a fork.
Press mixture into a 9x13 baking dish. Set aside.
To prepare cheesecake layer, in a large bowl, beat cream cheese and sugar until fluffy.
Add heavy whipping cream and vanilla. Beat until until stiff peaks form.
In a separate mixing bowl, beat banana pudding mix and milk together until it thickens. Add pudding to the cream cheese mixture. Blend together.
Spread half or cheesecake mixture over crust.
Add a layer of sliced bananas.
Add a layer of whole vanilla wafers.
Spread remaining cheesecake mixture over top of vanilla wafers.
Add a layer of sliced bananas.
Crush the remaining vanilla wafers into smaller chunks and sprinkle them over top of banana layer.
Refrigerate for at least 2 hours and serve.
