Nanase Ohkawa, head writer at Clamp, said she had visualized him as being a character to which 'everyone' could relate to as being 'cool', literally, a 'beauty'. While designing the concept art for Lelouch, the series original character designers, Clamp, had initially conceived of his hair color as being white. His voice actors Fukuyama and Bosch have been praised for their work as Lelouchs voice. Despite his ruthless methods to destroy an empire, he still has several strong relationships that made him a likeable character. Publications for anime and manga saw Lelouch as an interesting character. The character of Lelouch has been recognized as one of Japans most popular characters during the time Code Geass aired, appearing at the top of several polls. Lelouch was designed by the group of manga artists Clamp, who aimed to create a stylish and visually appealing character. His English dub voice is provided by Johnny Yong Bosch with Michelle Ruff doing Lelouchs child voice.

His Japanese voice actor is Jun Fukuyama, and his child self is voiced by Sayaka Ohara. 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, an imperial monarchy that has been conquering various countries under control from his father. In the series, Lelouch is a former prince from the superpower Britannia who is given the power of the 'Geass' by a witch known as C.C. Lelouch vi Britannia, whose alias is Lelouch Lamperouge, is the title character and Byronic Hero of the Sunrise anime series Code Geass: Lelouch of the Rebellion.

Lelouch takes over the world