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Gyarados does not belong to Nurse Joy, per se; they became good friends. Unlike other Gyarados, which are usually violent, this one remains friendly to Nurse Joy even after it evolved from a Magikarp.
Known moves[]
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Trivia[]
Even though it was giant as a Magikarp, after it evolved into Gyarados it did not appear to be any larger than a regular Gyarados for some reason.