Daisuke Ono
The episodes first began airing on TV Tokyo on April 6, 2008 and subsequently on other stations. Two pieces of theme music are used for the anime; one for the opening theme and one for the ending theme. The opening theme, "Joy to the World" is sung by Hiroki Takahashi, Toru Ohkawa, Masaya Onosaka, and Daisuke Ono. The ending theme, "Ai Ai Gasa" (アイアイ傘, "Ai Ai Gasa"?) is performed by Tegomass.