Detective Conan was a Japanese mystery novel with many villains. Although the backgrounds and motives of the characters are different, they all have one thing in common: trying to stop Conan from revealing the truth. Some of the villains included: 1 Belmode (Belmode Yoshino Tachimei)-Kudo Shinichi's classmate is also his enemy. She was a mysterious and dangerous person who always tried to achieve her goals through various means. 2 Amuro (Amuro·Hishita)-is a detective and a colleague of Conan's father. He was a very clever and witty person, but he also had some secrets that no one knew. 3. Fuyama and Yaba (Fuyama and Yaba Benji)-Kudo Shinichi's childhood sweetheart was also a detective. She was a very brave and intelligent character, but she also had some unspeakable secrets. The Dark Organization is a mysterious organization that tries to achieve its goals through some means. Some of them were dissatisfied with Conan's revelation and tried to stop him. These villains were all very important characters in Detective Conan. Their appearance played a key role in the development of the plot.