Also thinking about the Digimon is more known for its anime argument, weren't most of the Pokemon literally chosen because of the Pokemon anime's buzz?
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- Literal iconic mascot so that's a given
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- Has a running gag in the anime where she puts people to sleep, evident in her up-b
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- Not only is he the legendary, but there was the Pokemon movie starring him that was pretty loved at the time.
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- Had a movie
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- Ash Greninja
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- I know literally nothing about Gen 7 anime so this one is probably an exception.