. "Jefferson"@en . . . "The Hatter (also called the Mad Hatter or Hatta) is a fictional character in Lewis Carroll's Alice's Adventures in Wonderland and its sequel Through the Looking-Glass. He is often referred to as the Mad Hatter, though this term was never used by Carroll."@en . . "The Mad Hatter"@en . "\"Mad Hatter\", \"Hatta\""@en . . . . . "The Hatter"@en . . . "Alice's Adventures in Wonderland (1865)" . . "\"Hat Trick\" (1.17)" .