Where did the names tweedle-dee and tweedle-dumb come from?

Question

Where did the names tweedle-dee and tweedle-dumb come from?

Answer 1

One is dumb, obviously, and one is dee.  They tweedle.

Answer 2

Lewis Carrols'  Alices' Adventures in Wonderland.

Answer 3

Through the Looking Glass

Answer 4

The imagination of Lewis Carroll

Answer 5

The words Tweedle-dum and Tweedle-dee make their first appearance in print in an epigram by John Byrom (1692-1763) where they are clearly nothing more than onomatopoeic representations of similar musical phrases:

Some say, compar'd to Bononcini

That Mynheer 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 Tweedle-dum and Tweedle-dee![2]

Answer 6

the same place as humpty and dumpty i suppose.