In a large bowl, combine vanilla pudding mix and milk, and whisk until mixture thickens; chill< br>
In a large skillet, melt butter and brown sugar over medium heat until mixture is melted, stirring occasionally. Gently stir in banana slices and cook 2 minutes, or until heated through
Meanwhile, place tortillas on baking sheet and bake 5 minutes. Remove tortillas from oven and evenly divide pudding between them, placing pudding in center of each. Fold in both ends of tortillas then roll up. Place seam-side down on serving plates and spoon banana mixture over crepes. Top with whipped topping, and serve.