Personalized Happy Halloween Black Cat Toddler Long Sleeve T-Shirt. Happy Halloween! A cute little black cat wearing a purple witch hat sits next to two pumpkin jack o'lanterns and an adorable bat. Great gift for your little monster on Halloween! A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.