Flatten each roll into a 3-inch circle. Place one in the center of a sprayed 12-inch pizza pan. Place remaining rolls in a circle around the center one overlapping each one about 1/2-inch.
Bake at 375°F 10 minutes.
Combine softened butter, garlic powder and parsley flakes. Spread over cooled crust. Sprinkle with Parmesan and artichokes. Cover with grated cheeses and sprinkle with pepper.
Bake at 375°F an additional 10-15 minutes or until cheese is nicely melted.