Popo is a hippopotamus and one of the animals of Oumagadoki Zoo. Popo has tremendous strength as he is described one of the two powerhouses, along with Kisazou. His strength can outmatch that of Gorilla Kong as shown in arm wrestling. (Source: Oumagadoki Zoo Wikia)
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Popo is a hippopotamus and one of the animals of Oumagadoki Zoo. Popo has tremendous strength as he is described one of the two powerhouses, along with Kisazou. His strength can outmatch that of Gorilla Kong as shown in arm wrestling. (Source: Oumagadoki Zoo Wikia)
