John Belushi, Jack Black, or Jethro Bodine?
Jim Beam?
That's far too early for it to be bodybuilder John Brown, but who knows?
Leo had some great physique photographs all over the walls of the gym of the top men of the past and present and there was also a lineup of caricature drawings of long time gym members up along the ceiling line of one or two of the walls. Leo was a good man.