Personalized Worlds Best Grandaddy Baby Bodysuit. Fun Grandaddy Fathers Day Baby Bodysuit - Heather and Hot Pink gift for him has blue and white logo for your grandpa. Also makes a great birthday gift for him. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.