John Salley goes by Spider.
John Cleese goes by Cleesey.
John Dimech goes by Johnnie.
John Breckinridge went by Bunny.
John Carmack goes by Jondi.
Manning Redwood went by Manny.
John Redwood's birth name is John Alan Redwood.
John Henry Redwood's birth name is John Henry Redwood III.
John Rendez goes by John John.
John Mitchum went by Big John.
John Linnell goes by John Sid.
John Seaward goes by Big John.
John Kap goes by Honest John.
John Gallant goes by Big John.
John Dondero goes by John The Dondero.
John Dambrauskas goes by Big John.
John Theodoracopoulos goes by John Theo.