User blog comment:NefkaAlice/About Roderich a.k.a. Austria/@comment-2208425-20101202034830

According to Himaruya-san, the ahoge on Austria represents Mariazell (something like that),but if you pull on it he will only get irritated (unlike N.italy, who is really werid when his hair curl is pulled). I don't think he ever said that it was a erogenous zone.