One of the series' enduring characters is Officer Jenny. She was always present in every episode of the original Pokemon anime.
Acerola influenced the public's opinion of Ghost-type Pokemon as well as their general performance.
One of the main characters and sisters of Misty is Daisy. She was a previous gym leader and the oldest sister in her family.
Macy is a prominent character in the series. And one of the main factors contributing to her popularity with the public was her crush on Ash.
She does engage in combat pretty regularly, and she mostly uses water-type Pokemon in her arsenal.
No one can take the place of Team Rocket's Jessie as a mainstay character. She succeeds in enthralling the crowd every time she makes a comeback in the show.