Doc

The Grand Professor (大博士グランドプロフェッツォル,, Gurandopurofettsuoru), known more by his nickname "Dok (ドク,, Doku)" or "The Professor (教授,, Kyōju; OVA: The Doctor)," is a major antagonist in the Hellsing series created by Kohta Hirano. He is voiced by Hiroshi Naka in Japanese and Marcelo Tubert in the English dub.