No, the Mad Hatter is a human being.
Alice in Wonderland
Alice's Adventures in Wonderland (Except the Mad Hatter is actually just called 'the Hatter' in the book.)
Alice, the White Rabbit, the Mad Hatter, the Cheshire Cat and the Caterpillar
Alice from the Alice in Wonderland stories follows a White Rabbit.
Johnny Depp plays the Mad Hatter in the new Alice in Wonderland movie.
In Alice in Wonderland, the Hatter is never seen without a tea cup.
Alice in Wonderland
In "Alice in Wonderland," the Mad Hatter does the Futterwacken dance during the song "Alice's Theme."
mad hatter
The Hatter is a character in Lewis Carroll's book, Alice's Adventures in Wonderland. In the 1951 Disney animation, he is called the Mad Hatter.
The Hatter asked Alice the famous riddle, "why is a raven like a writing desk?"
Johnny Depp played the Mad Hatter.