Mushroom Damsel Costume Spicy Lingerie Pin auf Halloween. I MADE THE MUSHROOM SKIRT ('twas whimsical) Mushroom outfit Super Mario Bros. Costumes HalloweenCostumes.com. Get 1UP in this Mushroom Damsel costume featuring a a pink and white wet look romper with contrast pink binding, puffy cap sleeves, a white sheer overskirt, white gloves, a choker necklace, crown headpiece and mushroom purse. (Stockings not included.)