Heat oven to 375°F. Spray large cookie sheet with cooking spray.
In small bowl, mix cream cheese, mustard and pepper. Stir in bell pepper, Cheddar cheese, onion and artichokes until well blended.
Remove dough from can. Do not unroll. With serrated knife, cut dough into 16 slices. Place slices cut side down on cookie sheet; flatten each slightly. Use thumb to make slight indentation in center of each slice. Place 1 heaping teaspoon cheese mixture in indentation of each dough slice.
In small bowl, mix bread crumbs and olive oil. Sprinkle over artichoke filling of each; top each with olive slice.
Bake 11 to 15 minutes or until golden brown. Serve warm.