Two Hippo Defenses?? Or chess.com error with the Hippo Defense "1. ... Nh6"??

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stevenmchoi

I've recently learned about the Hippo Defense system (https://en.wikipedia.org/wiki/Hippopotamus_Defence), only to discover in chess.com's opening explorer a totally different kind of Hippo Defense (https://www.chess.com/openings/Kings-Pawn-Opening-Hippopotamus-Defense).

What's going on here?? I know for sure that the first one is actually called the Hippo Defense, and I've heard an alternate name for the second as the "Wild Bull Defense". Is chess.com wrong, or are there actually multiple Hippo Defenses?

Ilampozhil25

one opening can have many names; one name can be given to many openings

darkunorthodox88

the first time i ever heard the name hippo refer to a chess opening was in the chessmaster software were the hippopotamus defense was

idk if this some older nomenclature but nowadays everyone means the specific double fianchetto system with knights going on e7 and d7 

WCPetrosian

When white the Krazy Kat System/Opening is 1 Nh3 2 f3 3 Nf2. When black maybe the Krazy Kat Defense would be a better name?

stevenmchoi
UnsidesteppableChess wrote:

When white the Krazy Kat System/Opening is 1 Nh3 2 f3 3 Nf2. When black maybe the Krazy Kat Defense would be a better name?

When Black does this, it's actually called "Arctic Defense, Drunken Knight Variation" (https://www.chess.com/openings/Reti-Opening-Arctic-Defense-Drunken-Knight-Variation).