Q5U4EX7YY2E9N or rather named Queen for short is the main antagonist of Chapter 2: A Cyber's World of the 2018 indie RPG Deltarune, and a minor character in the subsequent chapters.

A sentient, humanoid computer, she is the tyrannical ruler of Cyber World who plans to expand her domain across the entire Light World by covering it in darkness, believing that world domination will give her the power to make all Darkners and Lightners happy.