DC had a habit of slightly changing the names of famous people when they wanted them to appear in their magazines. I assume this was some sort of legal mechanism to avoid a lawsuit. But here's a real oddity from Batman #57. To set the stage, the Joker is doing crimes in front of major TV and radio comedians. Like this:
The comedian in that bit is clearly intended to be Eddie Cantor.
And in another scene:
Obviously intended to be Bob Hope. Now here's the oddball part. Elsewhere in that very same issue appeared this ad:
It's even stranger when you consider that at least two comedians, Milton Berle and Jack Benny, are mentioned by name with no changes However, neither of those stars actually appeared in the story, which may account for the different treatment.