Tweedledum and Tweedledee enantiomorphs — three-dimensional mirror images. Evidence for these assumptions cannot be found in any of Lewis Carroll's writings. Tweedledum and Tweedledee Tweedledum and Tweedledee are fictional characters in an English nursery rhyme and in Lewis Carroll's "Through the Looking-Glass, and What Alice Found There". Their names may have originally come from an epigram written by poet John Byrom. The nursery rhyme has a Roud Folk Song Index number of 19800. The names have since become synonymous in western popular culture slang for any two people who look and act in identical ways, generally in a derogatory context. Common versions of
Tweedledum and Tweedledee (comics) them as "Tweedledee and the new Dum" implying that the original Tweedledum is either dead or still incarcerated. It was later confirmed in "Detective Comics" #841 that Dumfree Tweed had died and his twin brother Dumson Tweed had taken his place. The new Tweedledum and Tweedledee were part of the Wonderland Gang. Originally believed by the public to be run by the Mad Hatter, it was revealed that the Tweeds really ran the gang using one of Tetch's own mind control on him in order to cash in on his notoriety. They filled the Wonderland Gang with other pairs based