A robotic denizen of the amusement park planet in the Omicron Delta region, the Queen of Hearts represents a character from the novel "Alice Through the Looking Glass." Wearing her traditional red, white and gold robes, and carrying a heart-shaped scepter, the Queen of Hearts commands an axe-carrying pair of jacks. In 2269 (stardate 5143.3). when the Enterprise returns to the planet for shore leave, McCoy encounters the Queen. With her cry of "Off with his head!" she sends him running for his life.