One of the various raw black metal projects of Dämonenstunk (Andreas Bettinger, known as B.S.o.D.) from Saarland, Germany. This project was inspired by oldschool black metal bands such as Darkthrone and such. A very aggressive approach of fast/slow black metal accompanied by keyboards. Grollteufel was active only in the year 2000 and released a single 5- track demo called "After Satan's Last Hate Action" in Andreas label Fucking Armageddon Productions. Read more on Last.fm