Jack the Bellboy (Ed McKenzie in real life) did the overnight show for many years. WJBK-AM (1500 KHz) among other stations.
Ed, who passed on two years ago, was a ham operator so I knew him from that circle. His obit is at
http://www.freep.com/news/obituaries/jack6_20010206.htm Speaking of Freddy Wolf, recall the time he got fired in the middle of his show (I think it was from WXYZ 1270) for making an un-acceptable comment when he thought the microphone was off?
Jack