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).
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"