Other Perman characters that I know besides the main characters (as of December 2012)

This is a list of other Perman characters that I know besides the main characters (as of December 2012). Of all the characters below, I knew Yuki-chan and Edison-kun the most.

1. Yuki-chan (山岸ユキ) 
Yuki Yamagishi or Yuki-chan. Occasional character in Perman; first appearance in the 1980s. Yuki-chan is Copy Mitsuo (copy robot of Perman No.1/Mitsuo Suwa)'s girlfriend. She moved from her hometown village to the city where Copy Mitsuo lives which is Asahigaoka. Her birthday is on October 12th, after the original airdate of episode 423 where the episode was about Yuki-chan's birthday. The first time I knew her was in the illustrations made by Okke-san in Asahigaoka Sumire-dan (Okke-san's Perman fan website). I saw her twice in the Perman anime which is episode 383 (as a cameo) and episode 423. One of my friends in twitter, @kagemaki_K, likes the character Yuki-chan. He listed out the Perman episodes where Yuki-chan appeared and made illustrations about her on his website. @cherry_drops123 prepared a collection of Yuki-chan's birthday drawings from her friends on Twitter in October 2012.
2. Okame Kamen
A masked evil that once appeared in chapter 5 of Perman manga in the Complete Works of Fujiko F. Fujio. @cherry_drops123 (another friend of mine in Twitter who is also a fan of Perman) made an illustration of him. I had once made a post about him using the details mentioned in @cherry_drops123's blog about him.
3. Bisho Toshihiko
Rival of Perman No.1 who once appeared in a story in the Perman manga. @cherry_drops123 made an illustration of him and also prepared a collection of Bisho-kun's drawing from her friends on Twitter in November 2012. Some of her Perman fan fiction stories have appearancs of him. I made posts about him twice including one about his name.
4. Edison-kun
Young inventor. He is named after Thomas Edison. He sometimes appeared in Perman anime in episodes 372, 393 (with Sharoku-kun), 394, 443 (cameo) and 466 (this is the count of how much he has appeared as far as I watched the episodes in Perman anime).
5. Sharoku-kun
Young detective. His name is a Kanji rendition of the name "Sherlock (Holmes)", a famous detective. I have seem him once with Edison-kun in episode 393. He does not appear very often in Perman anime.