...never existed. She was actually an actress named Maria Cruz who was part of what could be called a performance art piece by Marlon Brando. Brando won the Best Actor Oscar for The Godfather in 1973, but, instead of accepting the award, had "Ms Littlefeather" go up to the podium to make a speech expressing solidarity with the AIM people who were holed up at Wounded Knee. It was also a swipe at Hollywood's portrayals of Native Americans in film.