Who is the most famous blues performer?

Leadbelly, Robert Johnson, Eric Clapton, George Gershwin, Handy, BB King, Roy Hawkins, Dick Darnell, Cab Calloway, Johnny Lee Hooker, L J Welch, McKinley Morganfield, E Montgomery, Albert Collins, TBone Walker, James Moore, Jack DuPrie, Teddy MacRae, Harry Warren, Mac Gordon, Chester Bernett, Willie Dickson, Matthew T. Murphy, Fred Steiner, Wilbert Turrell, Clarence Carter, Rick Hall, Otis Redding, Eddie Floyd, Stephen Cropper, Johnny Popper, Stan Jones, Sandy Nelson, Donovan Leitch, Joe Scott, Deadrich Malone, Joseph Royster . . .