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If I recall correctly the é in Pokémon was done in the name, we know the issues they might have using thr names capsule monster and pocket monsters outside japan, so qhile coming up with the brand, they noticed that U.S english speakers might incorrectly assume the word os poke mon, poke as in pocking and pronounce it like poke mon, they also didnt want to add a "-" for poke-mon for aesthetic reasons, they lurked and noticed that word grammatical structure of words can't be broken if they add a é, like in spanish words U.S borrows like city names and such l, so the name became pokémon to endorse people to correctly associate and pronounce the brand, many americans pronounce pokii mon which is cringy but somehow works.