
Quick answer — Takeshi Watabe voices Iwamatsu Oki in Detective Conan: Countdown to Heaven, Panbukin in Dragon Ball Z: Bardock – The Father of Goku, Takao Arizuka in You're Under Arrest! (TV) and 4 more characters.
Takeshi Watabe voices Iwamatsu Oki (Detective Conan: Countdown to Heaven), Panbukin (Dragon Ball Z: Bardock – The Father of Goku), Takao Arizuka (You're Under Arrest! (TV)), Senkawa no Chichioya (Shigofumi), Buchou (Petshop of Horrors), Cosmo Eigesse (Mobile Suit Gundam F91), Yachio Tokugawa (I My Me! Strawberry Eggs).
Iwamatsu Oki is voiced in Japanese by Takeshi Watabe.