Yoshi Nakamura (played by Peter Navy Tuiasosopo) is the school janitor for Seaford High School and used to be a Sumo Champion. He also saved Milton's life when he fell off a ladder in the episode Fat Chance also making that episode his first and possibly last appearance.Weighing in at 600 pounds, he saves milton. While putting his spelling bee trophy up at the end of the show it alomost falls on him. Jack put his trophy up with the big trophes.