Lelouch Lamperouge – Code Geass
Lelouch vi Britannia (ルルーシュ・ヴィ・ブリタニア, Rurūshu vui Buritania) was the protagonist of Code Geass. After he was exiled he used the alias, Lelouch Lamperouge (ルルーシュ・ランペルージ, Rurūshu Ranperūji). He was the Eleventh Prince of the Holy Britannian Empire and the son of the 98th Emperor of Britannia, Charles zi Britannia. He was also the leader of the Black Knights and the real identity of Zero.
Source : Wikia