Trivia: Chuck Jones met his wife thanks to the Grinch. Marian Dern from TV Guide interviewed him about the special, and they got married in 1981.
Trivia: The Grinch's face is partly based on Chuck Jones' own face. Jones said he tended to sneak his face in without even realizing it. (Source: NPR).
Trivia: "How the Grinch Stole Christmas" was extremely expensive for its time. It cost $315,000 while "A Charlie Brown Christmas," which came out the year before, cost about $76,000. It cost about ten times more than the average half hour of animation at the time. (Source: Saturday Evening Post).
Trivia: The iconic song, "You're a Mean One, Mr. Grinch" was sung by Thurl Ravenscroft. Mr. Ravenscroft (who died in 2005 at 91 years old) is also famous for providing the deep, resonant voice of Tony the Tiger, the brand mascot for Kellogg's Frosted Flakes.