Walter C. Donez has served the Hellsing family his entire life, We first meet Walter when he is fourteen and teamed with Alucard in world war two, they are both sent to destroy the millennium base , where they are mass producing a vampire army. They meet the crazy major and fight The Captain and Rip van Winkle.

No one knows the out come of the attack on the base but Walter survived and was made the aid of Sir Arthur Hellsing, After the passing of his liege, Walter was put in the charge of Arthur’s daughter Integra Hellsing, Where he works as her personal butler, adviser and protector.

Walter has many talents which stretch from hand to hand combat to making weapons for Alucard and Seras Victora, He is not to be underestimated even at the age of 69, He is very dangerous, his weapon of choice is micro filament wires, that can cut throught almost anything, which he ties round each finger this combined with his speed has proven the down fall of many enemies and earned him the name Angel Of Death.

Walter has recently been captured after saving Integra's life, When an army of vampires attacked London, he trying to stall THE Captain who has been sent to capture him. Walter has been captured, brainwashed and was converted into one of the living dead and forced to fight his old comrades in Hellsing, It is unknown if this is permanent transformation.