Stormform is a member of the Yakuza and a villain in Yandere High School. His first speaking role was in Moving day on the train. He is mistaken by Sam and Taurtis to be Mister Dorito, In New town he sells cocaine to Sam and Taurtis, but later in The Shady Man he is killed by Okami, Silly and Paul Blart.
Storm has middle length blue hair with a bang hiding one of his cyan eyes. His skin is pale grayish blue.
Storm wears a black with a white stripe Yakuza hat along with a purplish blue suit and a red tie.
Storm is shown to have a very shady persona, as he prefers to keep his dealings hidden within the alleyway.
Storm is shifty and perceptive. As seen when he tricks Sam and Taurtis into believing they were being offered "special sugar".
Sam and Taurtis first met him on the train on their way to the neighboring town. He lies to them saying he was Mr Dorito and was a nice person and they immediately fell for it. He later has them sell ''special sugar'' (which is actually cocaine). When they tell their Teacher Okami to try it, she recognizes the sugar and has Sam and Taurtis arrange a meeting with him. But Okami,Silly and Paul Blart arrive in police gear and gun him down. Sam and Taurtis were at first saddened by his death but later find out that he was lying.
- He bears similarities to Karu but with pale skin and blue hair.
- He is the reason why the Yakuza is out for Sam and Taurtis.