
Quick answer — Sayuri Ichiishi worked on Pokémon: The First Movie (Character Design), Pokémon the Movie 2000 (Character Design), Pokémon Heroes (Character Design) and 3 more anime.
Sayuri Ichiishi worked on Pokémon: The First Movie (Character Design), Pokémon the Movie 2000 (Character Design), Pokémon Heroes (Character Design), Pokémon the Movie: I Choose You! (Character Design), Pokémon 3: The Movie (Character Design), Pokémon 4Ever (Character Design).