Joe Hill Louis, according to Wikipedia, "...was an American singer, guitarist, harmonica player and one-man band. He is significant, along with fellow Memphis bluesman Doctor Ross as one of only a small number of one-man blues bands to have recorded commercially in the 1950s, and as a session musician for Sun Records." Louis recorded with a band as well as a one-man-band.
Here is another great post about him over at the Hound Blog.
I tried to find some live-video of the man, but didn't come across anything. However this is what I found:
We all gotta go sometime
Back Slide Boogie