Nurse joy are from Pokémon. They are multiple individuals treated as one character.
nurse joy started to show up on the planet in capital city. At first there was only a few of them but there are at least 42 confirmed Nurse Joy on the planet. They are all in the "Eastern style" seen in most Pokémon regions. they work as nurses for both animals and citizens of the planet mostly. However there are a few who are doctors but they are still referred to as nurse.
every nurse joy is paired off with an Officer Jenny and they can all tell their Jenny from every other Jenny.