1 (30 oz.) can fruit cocktail, drained
1 (30 oz.) can crushed pineapple with liquid
1 (10 oz.) can mandarin oranges, drained
1/4 c. flaked coconut
2 c. miniature marshmallows
2 (3 1/2 oz.) pkg. pistachio flavor instant pudding
1 (12 oz.) container Cool Whip

Combine all ingredients and chill overnight. If desired garnish with chopped pistachio nuts. Serves 12 to 16.