Amazon.com: MerryMakers Belly Button Book! Soft Plush Hippo Doll, 10.5-Inch, Based on The bestselling Classic Toddler Book by Sandra Boynton : Toys & Games
Hippo Buttons Hippopotamus Zoo Cuties Shank Flat Back Choice Jesse James Dress It up Buttons 1250 - Etsy
Adventure Aquarium - SNAPSHOT OF THE WEEK: Hippo Awareness Weekend is next week! Celebrate with Button and Genny (and their porcupine pal Vince!) on February 13-15th and help raise awareness for Turgwe
Hippo belly button time (remastered) by matthewsimpson4 -- Fur Affinity [dot] net
Button Hippo
Hippo' Large Buttons | Spreadshirt
Hippo Creates Pins and Buttons for Sale | Redbubble
PHOTOS: Hippo Haven opens at Adventure Aquarium - 6abc Philadelphia