Slice the bananas thinly.
In a bowl, add whipping cream and sugar, and whip until smooth.
In another bowl, combine milk, pudding mix, and vanilla extract, and mix well.
Layer vanilla wafers on the bottom of a glass cup.
Add layers of banana, pudding, and whipped cream over the wafers.
Garnish the top with whipped cream and bananas.
Refrigerate for at least 1 hour before serving.