Question

Who is a famous leader of early Japan

Answer 1

Oda Nobunaga is a famous leader of early Japan 

Answer 2

Actually, There were three famous leader in Early ages of Japan, They were:

1) Oda Nobunaga
2) Toyotomi Hideyoshi
3) Tokogawa Ieyusa

[ Oda Nobunaga was the first leader to have his army use guns in battle so you can consider him as the most famous ]

Hope this helps!