Killer Queen is a Stand from the anime and manga series JoJo's Bizarre Adventure, specifically appearing in the fourth part, Diamond is Unbreakable. It is the Stand of the antagonist Yoshikage Kira. Killer Queen has a humanoid appearance with a sleek, cat-like design and a menacing aura. Its primary ability is to turn anything it touches into a bomb, allowing Kira to eliminate his enemies discreetly. Killer Queen's powers make it a formidable and deadly force, reflecting Kira's cold and calculating nature as a serial killer.