Final answer:
The pair known as 'Tweedledee and Tweedledum' are characterized in Lewis Carroll's 'Through the Looking-Glass,' not represented by any of the options provided. They are iconic characters from children's literature known for their playful and nonsensical poem.
Step-by-step explanation:
The pair known as "Tweedledee and Tweedledum" in literature appears in the sequel to 'Alice's Adventures in Wonderland,' which is called 'Through the Looking-Glass, and What Alice Found There' by Lewis Carroll. The correct answer to the question is not listed among the options provided. Instead, you will find these two characters, who are identical and comically fat twin brothers, in the aforementioned work by Lewis Carroll. They are known for their nonsensical poem, 'Tweedledum and Tweedledee,' and their comical argument which never turns into an actual battle because they are scared off by a giant crow.
In the options listed, Romeo and Juliet are famed lovers from Shakespeare's tragedy of the same name, entirely unrelated to the characters Tweedledee and Tweedledum. Castor and Pollux are the mythological twin brothers known as the Dioscuri in Greek mythology, while Bonnie and Clyde refer to the infamous American criminal couple from the Great Depression era. Finally, Hansel and Gretel are brother and sister from a German fairy tale collected by the Brothers Grimm, again distinct from the comical twins Tweedledum and Tweedledee.