Tetsuya Kakihara (????, Kakihara Tetsuya, born 1982 December 24 in D?sseldorf, Germany) is a seiy? who is affiliated with 81 Produce (junior). He is the only Japanese person to voice a device in Magical Girl Lyrical Nanoha A's, with the German-speaking devices L?vateinn and Graf Eisen. In fact, Kakihara can speak in five languages: German, Japanese, English, Spanish, and Latin.