Blade Runner - ROLE 1: Dr. Eldon Tyrell (Joe Turkel) ROLE 2: Roy Batty (Rutger Hauer). Replicant Roy Batty confronts his maker, Dr. Eldon Tyrell, demanding the corporate tycoon to extend his four-year lifespan. Tyrell explains that altering a replicant's coding sequence once it has been established would be fatal. The mercurial - and lethal - humanoid is not happy. Note: Yoostar scenes are often available both as single video clips and in scene packs. Please consider your purchase carefully before downloading.