In the classic detective novel, Sherlock Holmes often relied on his keen observation and deductive reasoning to solve crimes. What was the name of his trusted companion and assistant?

In Agatha Christie's renowned mystery novel, 'And Then There Were None', a group of ten people are invited to a remote island and are killed one by one. What was the name of the mysterious killer who orchestrated this deadly game?

In the popular TV series 'CSI: Crime Scene Investigation', a team of forensic scientists use scientific methods to analyze evidence and solve crimes. What is the name of the lead character, a brilliant forensic investigator?

In the Sherlock Holmes story 'The Hound of the Baskervilles', a mysterious creature is said to be haunting the moors, terrorizing the Baskerville family. What was the name of the legendary hound?

In the novel 'The Da Vinci Code' by Dan Brown, a symbologist and a cryptographer team up to solve a series of puzzles and uncover a hidden secret society. What is the name of the symbologist who possesses exceptional knowledge of symbols and codes?

In the mystery novel 'The Murder of Roger Ackroyd' by Agatha Christie, the reader is initially led to believe that the narrator is a reliable witness. However, it is later revealed that the narrator is actually the murderer. What is the name of this unreliable narrator?

In the TV series 'Elementary', a modern adaptation of the Sherlock Holmes stories, the iconic detective is portrayed as a recovering drug addict who works with a female companion. What is the name of this contemporary version of Sherlock Holmes?

In the mystery novel 'The ABC Murders' by Agatha Christie, a serial killer targets people whose last names begin with the letters A, B, and C. What is the name of the eccentric detective who takes on this puzzling case?

In the novel 'The Name of the Rose' by Umberto Eco, a medieval monk investigates a series of mysterious deaths in a secluded monastery. What is the name of this inquisitive monk who uncovers hidden secrets and theological debates?

In the TV series 'The Mentalist', a former psychic turned consultant uses his exceptional observational skills and psychological insights to assist the California Bureau of Investigation (CBI) in solving crimes. What is the name of this unconventional consultant?

In the mystery novel 'The Mysterious Affair at Styles' by Agatha Christie, a young woman named Hastings arrives at Styles Court, the estate of her wealthy uncle, and becomes embroiled in a series of suspicious events. Who is the brilliant detective who arrives to investigate the puzzling occurrences?

In the TV series 'Castle', a mystery writer teams up with a homicide detective to solve crimes in New York City. What is the name of the witty and charming mystery writer who assists the police in their investigations?

In the novel 'The Hound of the Baskervilles' by Arthur Conan Doyle, a young man named Sir Henry Baskerville inherits a family estate on the desolate moors of Dartmoor. What is the name of the mysterious creature that is said to haunt the moors and pose a threat to the Baskerville family?

In the TV series 'Bones', a forensic anthropologist and a former FBI agent team up to solve crimes by analyzing human remains. What is the name of the brilliant forensic anthropologist who leads the team?

In the mystery novel 'The Murder of Roger Ackroyd' by Agatha Christie, a wealthy man is found dead in his study, and the initial investigation points to suicide. However, the arrival of a renowned detective changes the course of the investigation. Who is this detective who uncovers the truth behind the murder?