Who said "Of all the unsatisfactory—I ever saw!"?

This quote is attributed to Humpty Dumpty.

Of all the unsatisfactory—I ever saw! - Humpty Dumpty

"Of all the unsatisfactory—I ever saw!"

Humpty Dumpty

Character in Through the Looking-Glass

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"Why, you might make a joke on that."

"When I use a word, it means just what I choose it to mean—neither more nor less."

"There's glory for you!"

"I can explain all the poems that were ever invented—and a good many that haven't been invented just yet."