Robert Downey Jr announced that everyone in the world knows who PSY is. In an interview with the top Hollywood Actor, which was aired Saturday afternoon on KBS 2TV's celebrity news program, 'Celebrity Talks,'the Hollywood actor, when posed with the question - "Looking back at when you came to Korea 5 years ago compared to now, what has changed?" - Robert Downey Jr answered, "I think there are a lot more Korean celebrities who have amazingly been able to cross borders."

"There is no one in the world who doesn't know PSY, and many Korean directors and films have become more well known," he said, "There are also many instances of remaking original Korean films, and in general, there are a lot of influences that the US is receiving from innovative aspects of Korean culture. I think it's a good thing."

After arriving in Korea from Gimpo International Airport this past Wednesday, Robert Downey Jr has been doing promo work attending red carpet events and taking part in press conferences for 'Iron Man 3.' On Saturday, he will have departed Korea for China to open more promotion events. 'Iron Man 3' will premiere on April 25.