Case Closed, also known as Detective Conan is a Japanese detective manga series written and illustrated by Gosho Aoyama. It has been serialized in Shogakukan's Weekly Shōnen Sunday since January 19, 1994, and has been collected into 97 tankōbon volumes as of December 18, 2019. Due to legal problems with the name Detective Conan, the English language releases from Funimation and Viz were renamed to Case Closed.