1. Sherlock Holmes: Source: A detective drama adapted from Conan Doyle's novel The Adventures of Sherlock Holmes. Actors: Jeremy Brett and Matt Fletcher, and other best partners: Dr. Watson solved famous cases: Single Noble, Man with a crooked mouth, Boscombe Valley Case, Six Statues of Napoleon, Phnom Penh Glasses with Nose, Second Blood, Red Circle, Westlia Apartment and Reptiles. Personality: Sherlock Holmes pays attention to investigation and research, is good at analysis and reasoning, goes deep into the tiger's den and never lets go of any clues. He is proficient in chemistry and anatomy, likes horror literature, plays the violin, is good at fencing and boxing, is familiar with legal and geological knowledge, and likes smoking a pipe. He also has bad hobbies and hobbies, and his knowledge of astronomy, philosophy, politics and modern literature is almost zero. Popularity value: ★★★★★ Case difficulty: ★★★★★ 2. Conan: Source: G?sh? Aoyama, Japanese animated film Detective Conan, Best Partner: Richard Moore Case: I don't need to say more, everyone knows better than me. Personality: A primary school student, with high-tech equipment and shrewd mind, spends all his time interacting with the scene, the murder weapon and Machamp, trying to solve the mystery among criminals, policemen and girlfriends, while he is still a high school student. Awareness: ★★★★★ Case difficulty: ★★★★ 3. Herkel Poirot: Source: Based on agatha christie's novel The Legend of Detective Poirot. Played by Peter Ustinov: Murder on the Orient Express, Nile Massacre, Evil Under the Sun. Personality: short and fat, with crooked beard, ugly and neat, not martial arts, but smart mind. Poirot is good at psychological analysis of everyone, comprehensively observing each other's clothes, manners, hobbies and outlook on life, and then making logical reasoning. Poirot hardly fought with anyone. He is always leisurely, like an old cat observing a group of frolicking mice and finding out which "mouse" is committing a crime. Poirot wins in psychology.