豆しば
Based off of a series of commercials of various beans that tell people random knowledge. The theme at the end of each commercial translates to, "Everyday one trivia [tn][i]mame-chishiki[/i] in Japanese (lit. bean(-size) knowledge)[/tn] la la la."
ねぇ知ってる？
http://dogatch.jp/anime_kids/mameshiba/top.html
mameshiba (character)