Ghost, formerly known as Inquisitor Nu, was a member of The Archive. He provided information to Scribe Sigma and ultimately tried to protect her and her half-sister during Analyst Alpha's failed coup. After Neomaria escaped, he was given leave to go and find her.
He is young man who seems to be in his mid-twenties. He is of African descent and speaks as if he's from London. He dresses casually and keeps his head shaved. He often shows up to investigate places where Neomaria has been sighted, and singlemindedly pursues her in the hopes of reuniting with the girl he loves.