
Quick answer — Vanilla Yamazaki voices Shaymin in Pokémon: Giratina and the Sky Warrior, Jaiko Gouda in STAND BY ME Doraemon, Mesousa in Pani Poni Dash! and 1 more characters.
Vanilla Yamazaki voices Shaymin (Pokémon: Giratina and the Sky Warrior), Jaiko Gouda (STAND BY ME Doraemon), Mesousa (Pani Poni Dash!), Haiji (MoonPhase).
Shaymin is voiced in Japanese by Vanilla Yamazaki.