From a 1968 Ed Sullivan Show, here's a gent who was one of my favorite comedians back then…Jackie Vernon. This isn't one of his best appearances but I thought he was funnier than the audience did.
As he usually did, Vernon tossed in the name of Sig Sakowicz, who was a longtime radio and TV host in Chicago and later in Las Vegas. Apparently, there's no great story about why Mr. Vernon did this. He just thought it was a good funny name…