n. Tweedledum and Tweedledee, two persons or things that are nearly identical; characters in Lewis Carroll's works "Alice's Adventures in Wonderland" and "Through the Looking Glass"
TWEEDLEDEE AND TWEEDLEDUM
Meaning of TWEEDLEDEE AND TWEEDLEDUM in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012