A group of Hippopotamuses[1]
A Hippopotamus (Hippo) was a large type of pachyderm that was common in equatorial Africa.[2]
The Hippotist was a supervillain that had the appearance of a hippo, with hypnotic powers.[3]
Known hippos[]
References[]
- ↑ As seen in Revenge on Gorilla City.
- ↑ As seen in the Superfriends season three episode Revenge on Gorilla City (1978).
- ↑ As seen in The Plastic Man Comedy/Adventure Show episode The Hippotist (1979).