Prominent Japanese figure Ma Rin’s younger sister, Mokyu, has recently been given the nickname 'Shomarin.' This news follows a trend in Japan where celebrities or people in the public eye sometimes earn quirky nicknames. The reasons behind the bestowal of this particular nickname have not been revealed.

Nicknames, or Aiwai-na in Japan, are often given to popular figures as terms of endearment or humor. These nicknames can also be mirrors reflecting societal trends or attitudes. The creation of such monikers is often widely covered and discussed in media, particularly on variety shows, emphasizing Japan's unique blend of respect for individuality and collective cultural character.

In the US or EU, nicknames for celebrities are quite common as well, either as a shorthand version of their original name or as a brand, such as "JLo" for Jennifer Lopez. However, the cultural context can differ, and nicknames might not receive the same extent of media attention or public fascination as in Japan.