高山善廣
Takeuchi had also a short stint at the end of the professional wrestling promotion HUSTLE in 2009, posing as a villainous character based on himself called "King RIKI". The same year, Takeuchi recorded with Avex Group a version of Morning Musume's "Love Machine" for the song's tenth anniversary, appearing under his RIKI persona along with wrestlers Riki Choshu and Yoshihiro Takayama.