|Penguin Village Junior High Principal|
Midori Yamabuki (Employee)
He sometimes acts childish and will wear and animal hat and ride roller skates around the school halls.
The Birth of Arale
Main article: Volume 1: The Birth of Arale
He first appears in Here Comes Arale where talks with Senbei Norimaki in enrolling Arale into school. The principal questions Senbei as he knew him for a long time and didn't believe that Arale was his sister because his parents died when he was young and is told that Arale is his daughter instead.
In Which Will It Be?, he asks Midori why all the clubs are all lined up and is told that they all want Arale to try out the clubs and pick one to join. He is shocked and falls over at the end when Arale decides to join the Sukeban Deka Club.
Dr. Slump remake
In the 1997 remake, he looks almost the same, but the color of his vest is gray instead of red and his tie is yellow instead of red.