20th Century Boys was a heavy metal pairing of German lead vocalists Michael Bormann of Jaded Heart and Michael Voss of Mad Max. The duo recorded 11 songs by T. Rex as a tribute to Marc Bolan and released them as an album called Beware of the Rex! in 2004. This was only a one-time project for Bormann and Voss.

Category:German heavy metal musical groups

Category:Musical groups disestablished in 2004

Category:Musical groups established in 2003

Category:German hard rock musical groups