Daigorou) Voiced by: Tetsuo Mizutori (Anime 1), Nobuo Tobita (Anime 2) Arale's high school teacher. He has a huge head which is shaped like a chestnut . (The "kuri" in his name means "chestnut" and "-gashira" (kashira) means "head". "Dai" is "big", and "Daigorou" is also the Japanese given name of