It's a little known fact that Blixa Bargeld from Einstürzende Neubauten did the voice for "The Mummy" in the film of the same name.

Excerpt of a Neubauten interview from the May 2000 issue of Terrorizer Magazine:

You know that I did all the voices for 'The Mummy'? I did! They flew me into London to record 40 minutes of film, doing all these kind of horrible screeches and inhuman noises and I got a credit in the film for 'Spiritual and Mummy Voices: Blixa Bargeld'. If you listen carefully you can hear me squeaking all over the film. And the best thing about that is it's nominated now for an Oscar for Best Sound. I'll feel quite proud if it gets it!