Heath remembered that in the Pokémon world, only a handful of people could tell the differences between the faces of the Officer Jennys and Nurse Joys. Brock was one of them, but he could only do it because he was a total pervert. That just went to show that perverts had some pretty impressive abilities. Most people actually couldn't tell them apart; to them, the Officer Jennys and Nurse Joys looked practically identical. Most people relied on name tags to distinguish between different Officer Jennys. The Jennys knew their faces were basically the same, so they all had a habit of wearing name tags to keep citizens from mistaking them for someone else.
As for why the women in these two families had almost identical faces, there was still no definitive answer. Everyone more or less tacitly avoided bringing it up. Like the sun rising in the east every day, it was simply considered common knowledge in the Pokémon world. Heath, however, felt that it might have something to do with supernatural powers. Otherwise, there was no reason all the women would look exactly alike. Even twins couldn't give birth to children with faces identical to their own. Mothers and daughters would always look somewhat different, yet the Jenny Family looked like one enormous set of multiple births. It wasn't that there were no differences, but they were so minute that they were almost impossible to distinguish.
Back in his previous world, they could have been dragged into a laboratory to be studied and dissected. After all, having identical faces was simply too absurd. But this was the Pokémon world, so naturally, no one was curious about why things were this way.
Once all the Officer Jennys and Nurse Joys had finished their meals, paid, and left, Heath had Kirlia