The umlaut became de rigueur for a whole host of bands, ranging from Motörhead to Queensryche (which impossibly put it over the “Y”), and it was typically added as an afterthought, a hollow symbol of distinction that owed nothing to linguistic or cultural actualities (graphic designer Bruce Campbell notes that when Mötley Crüe played Germany, the literal-minded crowd chanted “Mutley Cruh”).
– from designobserver.com (original a dead link)