In large bowl, whisk flour, baking powder, baking soda and sugar. Add egg, buttermilk, milk, oil, butter and hot sauce; whisk until just combined (small lumps will remain). If desired, reserve 2 tablespoons each bacon, cheese and corn, as well as a teaspoon of chives, for garnish. Fold remaining bacon, cheese, corn and chives into pancake batter.
Heat griddle or large nonstick skillet over medium heat. In batches, spray griddle with nonstick spray, then pour batter by heaping 1/4-cupfuls onto griddle. Cook 2 to 3 minutes per side or until golden brown and cooked through. Serve pancakes topped with maple syrup and garnished with reserved bacon, cheese, corn and chives, if desired. Makes about 16 pancakes.