Lady Lisa is a minor antagonist turned anti-heroine of 2015 comedy film Pixels.
Ludlow wants to see Lady Lisa in real life, but Donkey Kong invades the Earth. Ludlow doesn't want to fight with Lady Lisa, but she is going to kill Ludlow. As Ludlow reveals his affections to Lady Lisa, they kiss each other and become allies.
Eddie sees them again, and they fight with the pixels aliens again.
After Donkey Kong is defeated, Lady Lisa disappears.
Ludlow is sad initially, but Q-Bert transforms into Lady Lisa, much to Ludlow's delight. Eventually they get married and have many Q-Berts as their children.