Toddler Costumes & Toddler Halloween Costumes. Our popular and adorable toddler costumes are sure to be a hit this year. In designs that can make both parent and toddler happy, these fun themes will make this Halloween a memorable one for years to come. This may be the first Halloween your child remembers so make it a magical one with our selection of toddler Halloween costumes. If your tot is adventurous, try one of our popular toddler pirate costumes or let them soar in a toddler Superman costume. Favorites like a toddler Batman costume or toddler Spiderman costume are always popular with the boys. For your little trickster, what better way to celebrate the season than with a toddler clown costume?