Olivia Flaversham, Fievel Mousekewitz, Petunia, Giggles, and Flaky have their Halloween costumes. And they would wear them at the Halloween party. * Olivia Flaversham - Princess Daisy costume that consists of a yellow dress with short, puffy sleeves, white frills on the collar and sleeves, a mint-turquoise daisy-shaped brooch on the chest, and orange ruffles on the sides and skirt of the dress, white frilly opera gloves, a gold crown with a mint-turquoise jewel in the shape of a daisy, mint-turquoise daisy-shaped earrings, a yellow camisole with an orange ribbon attached to the chest, yellow frilly, ankle-length pantalettes, and matching pumps. * Fievel Mousekewitz - Luigi costume that consists of a green long-sleeved shirt, white opera gloves, blue overalls with golden snaps, a gree