Nobuyuki Masaki(柾木 信幸Masaki Nobuyuki) is a fictional character in the anime Tenchi Muyo!. Nobuyuki Masaki is Tenchi's father, and works in the city as an architect. Although he has shown that he is less responsible than his son, Nobuyuki does care deeply for Tenchi, and after losing his wife, Nobuyuki has worked hard to raise him. He is also a Peeping Tom and tries to encourage Tenchi to be more active and not as shy towards women.