Pokémon also known as Pocket Monsters is a Japanese media franchise created by Satoshi Tajiri, Ken Sugimori, and Junichi Masuda. The franchise was based on Pocket Monsters Red and Green video game released in 1996. The Pokemon franchise is (among some estimates) the highest-grossing media franchise of all time. The franchise consists of anime series, video game series, trading card games, several movies, books, manga, comics, a theme park, and many other works. Pokemon is set in a world where creatures known as Pokemon or Pocket Monsters can be caught and trained by humans known as Pokemon Trainers.