Katsuhito is Tenchi’s grandfather. He is very skilled with a sword. Ever since Tenchi was a little kid Katsuhito has been Teaching him how to fight. Tenchi has gotten quite good at it. In reality Katsuhito is Yosho, the lost heir to the Juraian throne.He seems to have some connection with Washu-Chan. Katsuhito's voice actor for the Japanese OAV is Koyasu Takehito, and for the English dub is Matt "Kermit" Miller.