In a large mixing bowl, combine the mini marshmallows and whipped cream.
Gently fold in the pineapple chunks until evenly mixed.
Add the mandarin oranges and mix carefully to avoid breaking the fruit.
Incorporate the maraschino cherries, ensuring they are well distributed.
Stir in the shredded coconut for added texture and flavor.
Add the sliced banana, being gentle to keep the pieces intact.
Fold in the chopped pecans if using for a crunchy element.
Drizzle in the vanilla extract and mix well.
Cover the bowl with plastic wrap and chill in the refrigerator for at least 1 hour.
Serve chilled, garnished with additional whipped cream and cherries if desired.