Hirohito was the emperor of Japan during WW2. However, Hideki Tojo had more power. Tojo was prime minister during
most of the war. He was replaced though in July of 1944 by Koiso
Kuniaki. Kuniaki was replaced in April of 1945 by Baron Kuntaro Suzuki ("WikiAnswers - Who was the leader of Japan in World War 2".)
