You're a Mean One, Mr Grinch

* How the Grinch Stole Christmas! was first published in 1957 and was adapted into as a short animated film in 1966.

* Frankenstein’s Monster himself, Boris Karloff, provided the voice of the Grinch and the narration for the movie.

* Dr. Seuss was initially uninterested in animating this or any of his books, but Chuck Jones managed to persuade him.

* The two voice parts sound a bit different because the sound people went back to the Grinch’s parts and removed all of the high tones in Karloff’s voice.
* Tony the Tiger (Thurl Ravenscroft) is the voice behind “You’re a Mean One, Mr. Grinch.” He received no credit on screen causing Dr. Seuss to write to newspapers all over America to let them know exactly who had sung the song.

* Dr. Seuss wrote the lyrics to all the songs.

* The lyrics to the song "Fahoo Forays" were made to imitate classical Latin. After the special aired, the studio received letters asking for a translation from people who believed them to be real Latin.

* The Grinch's green color was decided by director Chuck Jones' experiences renting cars in the Washington-Baltimore area which he claimed always turned out to be the exact shade.

* After the Grinch's "change of heart", his pupils change from red to blue.

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