Government of Japan
The Current Emperor of Japan (今上天皇) is Akihito. He was officially enthroned on November 12, 1990. He is styled as "His Imperial Majesty" (天皇陛下), and his reign bears the era name of Heisei (平成). Naruhito, the Crown Prince of Japan, is the heir apparent to the Chrysanthemum Throne.
Emperor Nijō
Emperor Nijō (二条天皇 "Nijō-tennō") (July 31, 1143 – September 5, 1165) was the 78th emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1158 through 1165.