Mix graham cracker crumbs and 1 stick of melted butter. Spread evenly across a 9 x 13 pan.
Beat powdered sugar, softened cream cheese, 2 sticks softened butter, and 1 cup Cool Whip. Spread evenly over crust. Layer crushed pineapple over filling. Layer cut bananas over crushed pineapple. Spread the rest of the Cool Whip over bananas.
Top with strawberries or cherries. Top with chopped pecans (optional). Drizzle with chocolate syrup. Chill for at least 1 hour.