John Lennon,” Rosenthal revealed. “He was cool, Peter Boyle.” Boyle met his wife, Loraine Alterman, on the set of Young Frankenstein. Boyle played the Monster in the now-legendary Mel Brooks ...

And when they got married, John Lennon was the best man at Peter’s wedding. So, he’s just a fascinating guy and totally different from the character that he played on my show.