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
Muzio Scevola Giovanni Bononcini had also been resident in London and composing operas for the Academy since 1719 and some music lovers preferred his lighter, more Italianate style with straightforward melodies to Handel's more weighty music. The rivalry between those who supported one of the composers more than the other inspired a satirical ditty from John Byrom: <poem> Some say, compared to Bononcini That meinherr Handel's but a ninny. Others aver that he to Handel Is scarcely fit to hold a candle. Strange all this difference should be Twixt Tweedledum and Tweedledee!</poem> To capitalise on this rivalry, according to Handel's first biographer