There is more than one artist with this name. 1) Nightmare, a French heavy metal band. 2) Nightmare, a Japanese hardcore punk band. 3) Nightmare, an Italian progressive metal band. 4) Nightmare, a Serbian rapper. 5) Nightmare, a Polish thrash/speed metal band. 6) Nightmare, a Croatian rapper For the Japanese visual rock band Naitomea, see ナイトメア. 1) Nightmare is a heavy metal band from Grenoble, France... Read more about Nightmare on Last.fm.