Japanese comedian Tetsuo, best known as one half of the duo "Warai Meshi," has announced that he is expecting his fourth child at the age of 51. This news has generated a buzz in the entertainment industry and among his fans, given his age and the existing size of his family. The specific due date and other detailed information about the baby are not yet released.

In Japan, celebrities' personal lives, including positive news such as marriages and births, are often highlighted and celebrated. Tetsuo’s announcement resonates with a social trend and increasing acceptance of older parenthood in Japan. Also, as a prominent figure in the entertainment industry, any attention in his personal life often leads to a rise in popularity.

The situation is quite similar in the US or EU, where celebrities' personal lives frequently make headlines and their expanding families are often celebrated in the media. However, older parenity may be even more common and accepted in Japan compared to the West due to the cultural emphasis on family.