text version for the twitter averse
Gary Oldman (best actor for Darkest Hour) played Herman Mankiewicz (best original screenplay for Citizen Kane) in Mank.
Tom Hanks (best actor for Philadelphia and Forrest Gump) played Walt Disney (who won 22 Academy awards) in Saving Mr. Banks.
Faye Dunaway (best actress for Network) played Joan Crawford (best actress for Mildred Pierce) in Mommie Dearest
Jessica Lange (best actress for Blue Sky) played Joan Crawford in Feud: Bette and Joan
Susan Sarandon (best actress for Dead Man Walking) played Bette Davis (best actress for Dangerous and Jezebel) in Feud: Bette and Joan.
Catherine Zeta Jones (best supporting actress for Chicago) played Oliva de Havilland (best actress for To Each His Own and The Heiress) in Feud: Bette and Joan
Nicole Kidman (best actress for The Hours) played Grace Kelly (best actress for The Country Girl) in Grace of Monaco
Kenneth Branagh (best original screenplay for Belfast) played Laurence Olivier (best actor for Hamlet) in My Week With Marilyn
Sam Rockwell (best supporting actor for Three Billboards Outside Ebbing, Missouri) played Bob Fosse (best director for Cabaret) in Fosse/Verdon
Melissa Leo (best supporting actress for The Fighter) played Laura Poitras (best documentary for Citizenfour) in Snowden.
Cate Blanchett (best supporting actress for The Aviator and best actress for Blue Jasmine) played Katharine Hepburn (four oscars) in The Aviator, making her the only person to win an Oscar for playing someone who won an Oscar.