Lelouch vi Britannia is the main character of the anime Lelouch.
If you haven’t watch this anime then I suggest you watch it at any free streaming anime sites ( I prefer kissanime ) because it’s one of the biggest anime title in the year it came out.
The story is good it’s comparable to Re:Zero , except it’s a mecha anime.
Who is Lelouch? Lelouch is a former prince from the superpower Britannia who is given the power of the “Geass” by a witch known as C.C. Using the Geass and his genius-level intellect, Lelouch becomes the leader of the resistance movement known as The Black Knights under his alter ego Zero to destroy the Holy Britannian Empire.