Griffin was a constant companion of actress Eva Gabor from the mid-1980s until her death in 1995, though she told the press in 1990 that they had never been lovers. After Griffin's death, The Hollywood Reporter published a report stating that he had been a closeted gay man. She called Griffin's death 'heartbreaking.' ( (Craig Molenhouse/Associated Press)) Griffin died of prostate cancer, according to a statement from his family released Sunday through a spokeswoman.