
Lulu is a twenty-two-year-old black mage and one of Yuna's guardians. Lulu sends dolls—including cactuars, moogles, and other Final Fantasy creature types—to attack enemies by proxy. Lulu's Celestial Weapon is the Onion Knight, a homage to Final Fantasy III.
Born on the island of Besaid, where she grew up with Wakka, Yuna, and Wakka's younger brother, Chappu, Lulu is often stern and scathing (particularly to Wakka). However, she is nonetheless caring toward others. She is also highly intelligent, and is one of the few Yevonites who easily questions the Yevon religion on objective terms. She is well endowed, and is often compared to Tifa Lockhart in this regard. Before becoming a guardian to Yuna, Lulu guarded two previous summoners whose pilgrimages abruptly ended prematurely. Her second pilgrimage, that of Father Zuke, ended in the Calm Lands (a common decision among summoners). The pilgrimage of the first summoner Lulu guarded, Lady Ginnem, was cut short by her death in the Cavern of the Stolen Fayth. This event still troubles Lulu's memories, but when Yuna and company detour to the valley where the cave is located, Lulu decides to face her painful memories. At the back of the cave, the group meets the unsent bodily shell of Lady Ginnem. Lulu felt that she must fulfill a last duty to Ginnem as a guardian in ensuring that her spirit would depart to rest peacefully on the Farplane. After fighting and defeating Yojimbo – the aeon having been summoned by Ginnem – Ginnem's spirit departs for the Farplane. Lulu had been romantically involved with Wakka's younger brother, Chappu, and his death at the hands of Sin affected Lulu greatly. However, Wakka and Lulu fall in love and marry six months after Final Fantasy X, with her adopting his surname. In Final Fantasy X-2, Lulu gives birth to Wakka's child, Vidina, a name that translates as "future" in the Al Bhed language. She mothers Yuna and Rikku at points throughout the game and, although she does it more subtly, Tidus also. In the game at the city of Guadosalam, after the appearance of lord Jyscal who tried to come back from the dead, Lulu warns Tidus not to fall in love with Yuna. To this, the player can either reply "Okay.", "Too late", or "You are more my type Lulu." The player can decide if Tidus has romantic feelings for Lulu or not.