Some good "unknown" bands are:
-A Balladeer
-Sonata Arctica (I don't really know if they are "unknown"....)
-Soul Asylum (Their song "Runaway Train" is ssssoooooooooo Awesome, lol)
-Oomph (Sounds like Rammstein, only better
)
-Field of View
-Kaizers Orchestra
-John Frusciante
......
