There are multiple artists which use this name:
1. A melodic death metal band from Russia
2. A rapper from the United States
3. A stoner metal band from France
4. A hardcore techno producer
5. An experimental/ambient side project from Scotland
1) Fiend is a Melodic Death Metal band formed in Moscow, Russia, in December of 2007, which also touches other metal genres such as Gothic. Fiend are inevitably one of their own kind in Russia.