All those stories are good for business!  Actually, they say he was a skinny short guy and that the reversed photograph is probably true. Much money has been spent trying to get permission to dig up his known relatives, and Billy's possible bones to compare DNA and prove his gravesite location.  Money better spent other projects in my humble opinion.  

The gent on the right seems to be ambidextrous.

I can swear there ain't no heaven but I pray there ain't no hell. _ Blood Sweat & Tears