Walter Aldro Day Jr. is an American businessman and the founder of Twin Galaxies, an organization that tracks world records for video games and conducts a program of electronic-gaming promotions.
Walter Day at Worldcon in Helsinki 2017
Twin Galaxies is a social media platform and video game database. Twin Galaxies is the official supplier of video game records to Guinness World Records.
Walter Day (right) and his business partner from the early 1980s
Mark Hoff and Joel West