Actor Michael Keaton took name Keaton to avoid confusion with what other famous Michael?

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Actor Michael Keaton took name Keaton to avoid confusion with what other famous Michael?

Michael Keaton, originally named Michael John Douglas, encountered naming conflicts with the established Hollywood actor Michael Douglas per Screen Actors Guild regulations. In adherence to union guidelines, he opted for a new last name at the start of his acting journey. Despite common belief, “Keaton” was not a homage to Buster Keaton; rather, Keaton mentioned selecting the name randomly while browsing through a phone directory. Notably, he has retained this name without a legal alteration and continues to be known as Michael Douglas among his close circle.

Source:

https://www.youtube.com/watch?v=Qe_b-JQuou8

https://www.threads.com/@beliproduk.official/post/DS03Ygukpds