Kouji Satou
佐藤浩二
Mr. Stein known in Japan as Professor Kouji Satou 「佐藤浩二, Satō Kōji」, is a Duel Academy professor only seen in the third season, though flashbacks indicate he was there in the first year seeing as Chumley appears in one of them. A former Pro League duelist who came from a poverty-stricken family, Mr. Stein fosters a grudge towards Jaden for ruining the interest of other students in his lectures due to the boy's lazy approach to lessons. He once dueled The D but fell ill before being able to complete the match. (This was because he was forced to study to become a teacher. He was so exhauste...
