Nobuhiro Otoshiba (王都柴信宏 Ōtoshiba Nobuhiro) is the father Reijiro and Mami. He works as an architect and is a very responsible man. He's very protective of his children, even if they are 18 years old, and gets worried about their duties as Driverangers. He becomes Knight Driver (ナイトドライバー Naito Doraibā), a movie exlusive Driveranger, which later becomes an Extra Driveranger in the series.