He later returned to the U.S. to start the rockabilly/ska/punk-influenced Royal Americans. As of 2006, Grey was continuing to play with the Royal Americans, and occasionally touring with a new lineup of Iron Cross.
He subsequently returned to the U.S. to initiate the rockabilly/ska/punk-influenced Royal Americans. As of 2006, Grey was still performing with the Royal Americans and occasionally touring with a new lineup of Iron Cross.