Karl Inger was the human servant of Mr Oliver. He was seven hundred years old. He joined Humans First in an attempt to convine Anita to reveal the name and daytime resting place of the master of the city of St. Louis. Later he introduces Anita to Mr Oliver and reveals his status as a human servant. He and his master wanted to kill Jean-Claude and take his possition and then force all the vampires in St. Louis to go on a killing spree so that vampires would lose their rights. He dies in Circus Of The Damned when Anita kills Mr Oliver.