Tweedledum and Tweedledee 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 the nursery rhyme include: The words "Tweedle-dum and Tweedle-dee" make their first appearance in print in "one of
Tweedledum and Tweedledee (comics) an appearance in "" as inmates in Arkham Asylum. In this incarnation, they appear attached to each other by a pair of electroshock helmets, with Tweedledum representing the right half of the brain, and Tweedledee the left. Although Tweedledum and Tweedledee are most often depicted as being the leaders of their own criminal organization, they sometimes are reimagined as the henchmen of the Joker. In a shoot-out with the GCPD during "", Dum is shot in the head. During the "Infinite Crisis", Tweedledum and Tweedledee appear as members of Alexander Luthor, Jr.'s Secret Society of Super Villains. Joker refers to