Origin
At one-point, Sal Menkin began to work at Arnie’s All-Night Gasarama. He would always work “the graveyard shift” and would grow to loathe his job, often neglecting his customers.
Creation
Menkin was created by Len Wein and Marshall Rogers for Detective Comics #478.
Major Story Arcs
If A Man be Made of Clay
As Sal approaches his current customer’s car window to collect the payment, he sees Preston Payne inside and recoils in horror at the sight of his face. As Payne makes a getaway, Menkin phones The GCPD proclaiming that he’s “seen a monster”.