Γνωστός και ως : Robin Aden, Anna Riva, Robert Walters, Robert W. Brinar, Anna Riva Hindgrind, Linda Michaels, Robert Marx, Frederick Douglass, Anna Riv, Robby Chipitoff, Bob W. Davis, Harold Hindgrind, Robert Norman, Robert W. Norman, Robert D. Walters, Walter D. Roberts, Ann A. Rifkin, Roberto Herz Kowicz, Anna Rivas, Robert R. Walters, Roberta Hershkowitz, 罗伯塔·芬德利
