Holbert (ホルバート, Horubaato) is a character in killer7. An FBI agent in the direct employ of the United States government, he was sent to investigate the political machinations occurring at Coburn Elementary School at the time of Emir Parkreiner's enrollment. By locating and listening to cassette tapes found throughout the institution, the player gradually learns his story. Holbert is likely a reference to the TV series Twin Peaks. The protagonist, Dale Cooper, is also an FBI agent investigating possibly paranormal activity who records his findings into a tape recorder.