In Jubilife City
Chat with our AI personalities
In eterna city he is a old man in an apartment building he claims he is a name rater select the Pokemon to rate the name then he asks you if you want to change it
On every Pokemon game, there is a name changer. He will allow you to change your Pokemon's name, either with a small fee, or free of charge.
Lavender Town.
the name rater is in goldenrod city to the left of the third gym (Whitney)
Slateport in front of the contest place