The Hippo (short for Hippopotamus Defense) is a setup that can be used

Animal Openings, Part 1: The Hippopotamus

Hungry hippo swallows child alive then spits him out

Chess Openings: If You're a Hippopotamus Defense Player, DON'T Fall for this Trap!

Introducing Augustus - Baby Hippo Born at Disney's Animal Kingdom is a Boy!

Hippo attacks: How to avoid one of Africa's most dangerous animals

Manny Rayner's review of The Hippopotamus Rises: The Re-Emergence of a Chess Opening

Pablo Escobar's Cocaine Hippos Considered 'People' in the US – NBC4 Washington

Hippo Testicles Are So Mobile They Make Castration Tricky

American woman attacked by hippo after boat capsizes on Zimbabwe wildlife tour - ABC News

Pablo Escobar's 'Cocaine Hippos' Legally Recognized as People by U.S. Court

Hippo attacks: How to avoid one of Africa's most dangerous animals

LoREZ Hippo - 'River Horse' 3D Model DAZ Studio - Predatron

Pablo Escobar's Hippos: Ecosystem Restorers and Plaintiffs

Since hippos spend a large amount of their lives in water, could they theoretically grow larger than rhinos, since hippos don't need to support their weight on land as often? - Quora

Solomon Ruddell's Hippopotamus Defense Course