Who won the Oscar for Best Supporting Actor for 'Oppenheimer'?

Who won the Oscar for Best Supporting Actor for 'CODA'? For which film did Troy Kotsur win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actor for 'Everything Everywhere All at Once'? For which film did Ke Huy Quan win the Oscar for Best Supporting Actor? For which film did Robert Downey Jr. win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actor for 'A Real Pain'? For which film did Kieran Culkin win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actress for 'Girl, Interrupted'?