According to the Star Trek Encyclopedia (4th ed., vol. 1, p. 224), the birth and death years of Jimmy Durante were 1893 and 1980, respectively. Furthermore, the authors of the reference work stated he began his career on the stage, before moving to audio and video broadcasts, as well as in the movies. The entry ends with a quote from Durante, which he said at the end of his shows, "Good night Mrs. Calabash, wherever you are.", after the death of his wife. Mrs. Calabash was his nickname for her.