Hikakin

Hikaru Kaihatsu , professionally known as Hikakin, is a Japanese YouTuber, human beatboxer and businessman who is the co-founder of Uuum, a Japanese multi-channel network. He is also a member of the Japanese music group Hikakin & Seikin. His popularity on YouTube and extensive media coverage has made him one of the most prominent online personalities and content creators in Japan, and he has been portrayed in the media as a pioneer of YouTubers in Japan.