Keith Hefner, Credited with Playboy 'Bunny Dip,' Died Friday Born in Chicago, Hugh Hefner's younger brother was a longtime executive with Playboy and played a role in creating the Playboy Club. Chicago, IL By Dennis Robaugh (Patch National Staff) - April 8, 2016 10:54 pm ET BEVERLY HILLS, CA -- Keith Hefner, an entertainer, Playboy executive and the younger brother of Playboy founder Hugh Hefner, died at his Beverly Hills home Friday following a battle with cancer. He was 87. The younger Hefner was a fixture on the reality TV show about Hugh's life with his three girlfriends, The Girls...