Tweedledum and Tweedledee
noun/ˌtwiːdlˌdʌm ən twiːdlˈdiː/
/ˌtwiːdlˌdʌm ən twiːdlˈdiː/
[plural]- two people or things that are not different from each otherMore Like This Expressions from literary sourcesExpressions from literary sourcesWord OriginOriginally names applied to the composers Bononcini (1670–1747) and Handel, in a 1725 satire by John Byrom (1692–1763); they were later used for two identical characters in Lewis Carroll's novel Through the Looking Glass.
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Tweedledum and Tweedledee