Tweedledum and Tweedledee the most celebrated and most frequently quoted (and sometimes misquoted) epigrams", satirising the disagreements between George Frideric Handel and Giovanni Bononcini, written by John Byrom (1692–1763): Although Byrom is clearly the author of the epigram, the last two lines have also been attributed to Jonathan Swift and Alexander Pope. While the familiar form of the rhyme was not printed until around 1805, when it appeared in "Original Ditties for the Nursery", it is possible that Byrom was drawing on an existing rhyme. The characters are perhaps best known from Lewis Carroll's "Through the Looking-Glass and what Alice Found There" (1871).
Super Bowl XLIX halftime show were not given rigorous choreography but instead told to mimic Perry's moves. In an interview with "The Hollywood Reporter", Durell said that the Left Shark's performance was intentional, stating their objectives were to "perform Katy's trademark moves to the 'Teenage Dream' chorus, which they both did perfectly" and "have loads of fun, and bring to life these characters in a cartoon manner, giving them a Tweedledee/Tweedledum-type persona". Super Bowl halftime show director Hamish Hamilton later said that the Left Shark performance was inspired by a Scissor Sisters performance in the 2005 Brit Awards, where the group played "Take Your Mama"