Slurm Queen

The Slurm Queen rules the hidden planet where the galaxy's beloved soda is secretly manufactured, and she greets visiting winners of the factory contest with a lush, hypnotic charm. Regal and seductive, she presides over her insect subjects with theatrical grandeur, eager to keep the true source of Slurm's flavor a tightly guarded secret from her adoring public.

The joke is in the collision of high fantasy pageantry with gross-out sci-fi logic, and Tress MacNeille plays the Queen with such lush, purring sincerity that the horror underneath lands even harder. She never winks at the audience, which is exactly why the reveal about Slurm's ingredients becomes one of the show's most gleefully disgusting punchlines.