Our Hippos will make you Happy. Our Blue Hippo Animal Kigurumi Pajamas has pockets and have the signature Hippo teeth! Also, the Hippo kigurumi Pajamas has the signature Hippo nose. If the Hippo makes you Happy, then you cant go wrong with the Hippo Kigurumi Pajamas . Did you know they are one of the most aggressive and unpredictable animals ever? Wow, hippos are so cool. the ultimate snuggly kigurumi version and available for wearing everyday!