Toast coconut lightly in oven, cool and save. Keep oven on at 275. Mix or sift flour, sugar, baking powder and salt in large bowl. Add eggs, milk, oil, rum and vanilla and mix with whisk.
Stir in sliced bananas and optional pineapple. Heat large skillet and lightly butter. Make pancakes in usual manner, keep cooked ones warm on oven-proof dish. Arrange pancakes on plates, garnish with coconut and serve with warm syrup.