Timeline
- From September to October 1996, a rumor circulated that he had died.
- In 2001, he did a duet with Naoko Ken as "Ken♀♂Ken" in "Ginza atari de Gin Gin Gin" (銀座あたりでギンギンギン?).
- In April 2002, he recorded a one-off single with Hello! Project's unit "Mini Moni", with the collaboration credited to "Bakatono to Mini Moni Hime" (バカ殿様とミニモニ。姫?). They recorded two songs named after a catch phrase of his, "Ai-in".
Read more about this topic: Ken Shimura