The Fiend with Twenty Faces
| The Fiend with Twenty Faces | |
|---|---|
| Kogoro Akechi/The Boy Detectives Club character | |
| First appearance | The Fiend with Twenty Faces |
| Created by | Edogawa Rampo |
| In-universe information | |
| Alias | Heikichi Endo (遠藤平吉) (real name) |
"The Fiend with Twenty Faces" (Japanese: 怪人二十面相, Hepburn: Kaijin Nijū Mensō) is a fictional character who serves as a recurring antagonist for Kogoro Akechi in Edogawa Rampo's mystery fiction. A gentleman thief and master of disguise, he is considered Akechi's archenemy or most famous adversary.