
Quick answer — Chie Satou voices Bou-chan in Shin Chan, Nobuko Ooe in Roujin Z, Ogin in Pokémon: Giratina and the Sky Warrior and 1 more characters.
Chie Satou voices Bou-chan (Shin Chan), Nobuko Ooe (Roujin Z), Ogin (Pokémon: Giratina and the Sky Warrior), Kanchi Imada (Yo-kai Watch).
Bou-chan is voiced in Japanese by Chie Satou.