
Quick answer — Masaru Ikeda voices Huang in Darker than Black, Bob in Iria: Zeiram The Animation, Kouji Takahashi in Parasite Dolls and 11 more characters.
Masaru Ikeda voices Huang (Darker than Black), Bob (Iria: Zeiram The Animation), Kouji Takahashi (Parasite Dolls), Bosco (Future Boy Conan), Johann Abraham Revil (Mobile Suit Gundam), Armando (Black Jack), Horst Harness (Mobile Suit Gundam: Char's Counterattack), President Boon (Metropolis) and 6 more.
Huang is voiced in Japanese by Masaru Ikeda.