Today's Useless Otaku Trivia™: This character was played by Horie Mitsuko, who also performed the show's theme song which was subsequently (and very much later) used as the first ending song of "Lucky Star".
Crotalus said: Today's Useless Otaku Trivia™: This character was played by Horie Mitsuko, who also performed the show's theme song which was subsequently (and very much later) used as the first ending song of "Lucky Star".
Sorry for nitpicking, but the song she performed was not the show's theme song but the insert song, "Hanatsumi no uta". Sasaki Isao has sung the theme song.