Katsuhito Masaki (柾木 勝仁, Masaki Katsuhito) is the grandfather of main protagonist Tenchi Masaki in the Tenchi Muyo! metaseries. In most of the continuities, Katsuhito's original name is Yosho (柾木 遙照 樹雷, Masaki Yōshō Jurai), and he is the crown prince of planet Jurai.