Everything You Need to Know About Michael Keaton, Diane Keaton, and Their Famous Names
Born on September 5, 1951, in Coraopolis, Pennsylvania, the future Batman actor identity belonged to Michael John Douglas. He was the youngest of seven children born to Leona Elizabeth and George A. Douglas, a civil engineer. There was no theatrical lineage in his family, nor any historical connection to show business.
When he moved west to pursue acting and stand-up comedy in the mid-1970s, he hit an immediate administrative wall. The Screen Actors Guild rules mandated that no two working members could register under the exact same name to prevent misdirected residuals, confusing casting calls, and public misattribution. Hollywood already had an established, Oscar-winning Michael Douglas, the son of Kirk Douglas, who had starred on television in The Streets of San Francisco. Adding to the headache, talk-show host Mike Douglas dominated daytime television airwaves.
Unable to work under Michael Douglas or Mike Douglas, the young comic needed a workable pseudonym. Contrary to an enduring urban legend that he selected "Keaton" as a direct Buster Keaton tribute or out of infatuation with Diane Keaton, Michael has repeatedly set the record straight in long-form interviews. He simply flipped through an alphabetical directory, lingered on the letter "K," and felt the two-syllable, sharp-sounding surname sounded sufficiently neutral and memorable. It was a utilitarian choice made under deadline pressure rather than an homage.