Popular "Bill Ladson" spellings
Bob Lodson (PA Nats?)
Blob Lodson
Blob Wadson (houston-nat)
Lorb Borbletruck (PA Nats)
Borb Lorbletruck (Linty? [Twitter account])
Blattertongue (Sharp)
Bumplestiltskin Left-Eye Lopez (Potomac Cannons)
Warbler McSmebblesevers (houston-nat)
Balrog [first or last name] (Coladar)
Shammalamma Boyle (PA Nats)
sportsfan882 (daveb32)
I believe NotLD was the first to coin "Balrog" when he called him "Balrog Laddee."
And I always thought the best one was "Bub Lubson" - creative use of the letter "u." Wasn't that a houston-nat creation?