Unbirthday film combines the idea of an unbirthday introduced in "Through the Looking-Glass" with the "Mad Tea Party" described in "Alice's Adventures in Wonderland". The unbirthday party is also the subject of a 1951 comic released to coincide with the film. The comic version is substantially longer (32 pages) than the scene in the animated film, and has Alice being invited to the unbirthday party of Tweedledum and Tweedledee (who are not actually present at the unbirthday party). Humpty Dumpty is a character in the comic version, although not in the manner in which he appears in "Through the Looking-Glass". "UnBirthday"
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"