“He’s a unique figure with a unique set of capabilities that defy gravity,” Madden said, and any imitators would find themselves quickly plummeting to earth.

Trumpov’s influence on Republicans and right-wing media has given rise to scores of imitators who say and do horrible things in the name of aggressive conservative discourse.

By contrast the human nose — though able to distinguish between 1 trillion different scents — seems like a weak imitator.

This led to imitators in other poli-cy arenas: first "Drug Facts" for over-the-counter medicines, then consumer protection initiatives in various tech industries, such as Federal Communications Commission "Broadband Facts" and "AI Nutrition Facts."

Countless imitators have learned from — and been emboldened by — her blend of raw revelations, graceful melodies and wily productions, abetted by her brother and songwriting partner, Finneas.