Hans Reichel was a german musician and inventor.
He is mostly famous for the daxophone, an instrument where the sound comes from exchangeable wooden blades being bowed. It might be the weirdest sounding instrument ever. His daxophone "operas" are unique and also hilarious. He also played guitars he built himself. He seldom used effects, instead achieving a totally new sound by the ways the instruments were constructed.
The Daxophone and some blades:
Here's a song played completely on daxophones:
And here are some of his guitars:
And a great guitar piece to follow: