Personalized Whatif Monster Birthday Girl Toddler Hoodie. There's no day like your birthday, so why not try something new? Whatif Monster Birthday Girl Toddler Hoodie - Natural Heather, perfect for little fans of "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. The Toddler Pullover Fleece Hoodie keeps little ones cozy and comfortable through all their adventures. Made with soft fleece and a smooth jersey-lined hood, it’s perfect for layering on chilly days. Ribbed cuffs and waistband help hold in warmth while side seam pockets add a touch of practicality for busy toddlers on the go.