An Upper First Class Exorcist who is a lecturer in the Academy. He is a tamer and has Aria incantations and many magic circles tattooed on both of his arms.
Although there is not much information about him, Igor is the survivor of the blue night when he reveals his past to Rin Okumura.
Igor Neuhaus is created by Kazue Kato, and he has no information regarding any inspiration used to create him. He first appears in Blue Exorcist volume 2 and episode 7. His Japanese voice actor is Ryotaro Okiayu.