Reader-added tags include "Jibanyan" (the cat), "Whisper" (the blue thing, both characters from Youkai Watch ), and "The position of Supreme Commander of the Mice is secure".

The survey's gotta catch 'em all:

What's your favorite youkai?
• Makura-gaeshi (Pillow-Turner)
• Rimokon-kakushi (Remote-Hider)
• Ichi-tarinai (One Short)
• Daidokoro-bekon (Empty Kitchen)
• Kutcha-ne (Eat & Sleep)

• Kutcha-ne (Eat & Sleep)

Just in case that last youkai went over anybody's head:

http://dic.pixiv.net/a/%E5%A6%96%E6%80%AA%E9%A3%9F%E3%81%A3%E3%81%A1%E3%82%83%E5%AF%9D