Also known as: ルル子
Luluko is the fanmade name of the genderswapped version of Code Geass's Lelouch Vi Britannia.
"Lulu" is from Lelouch (ルルーシュ rurūshu) and "ko" is the frequently subfix for a girl's name. Female Lelouch is also called Leloucia, Lucia and other names by many fans.