Personalized Kawaii Octopus Grandpa's Sweetheart Infant Dress. Kawaii Octopus Grandpa's Sweetheart - the perfect gift for your octopus-loving grandpa! This cute and kawaii design is sure to make him smile, and it's the perfect way to show how much you love him. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!