Victor

Victor is a musician in the Russia's Imperial Orchestra during the Romanov reign. He is the orchestra leader. Later it is revealed that he is within Grigori's cult.

Blood+ Adagio Plot
Victor is first introduced to Saya and Hagi in the Imperial Orchestra. He gets along with them well. One evening when Hagi is alone, he lures him to a place for sabotage. It is then revealed that Victor originally works for Grigori as a seeker of immortality.