Tuna Macaroni Salad

1 can tuna
1 package shell macaroni, cooked
3 eggs, hard boiled and chopped
3/4 cup mayonnaise
1/4 cup onion, chopped
1 green pepper, chopped
1 can peas, drained
celery salt
3 tsp. Dry mustard
garlic powder or salt
salt and pepper to taste
1/4 tsp. Paprika
1/4 cup green olives, sliced