Venison Pizza Casserole

Name: Venison Pizza Casserole
Cuisine: European, American, Italian, Mediterranean
Ingredients: shredded mozzarella and cheddar cheese blend; 1 pound ground or chopped venison; ½ pound Sausage; 25 Pepperonis; 1 medium onion (chopped); ½ green bell pepper (chopped); 2 cans (15 ounce) pizza sauce; ¼ teaspoon oregano; ½ teaspoon Italian seasoning; 1 box of elbow macaroni; garlic salt to taste; black pepper to taste; 1 cup milk; 1 egg