I don't really have one favourite, but Iced Earth, Opeth, Testament, After Forever, Manowar, Pink Floyd, Riverside and Mercenary are some that I'm quite fond of.
hört sich an wie rammelnde kaninchen xD ne scherz hab mir grad was angehört und klingt gut sounds like shagging rabbits ^^ but vey funny also
Favourite is probably Iron Maiden, but I like millions of bands so to be fair it doesn't hold much bearing on what I listen to overall really.......