Will Ferrell Celebrated by Amy Poehler, Zach Galifianakis in Funny or Die Clip (Video)

Will Ferrell was honored with the Mark Twain Award for American Humor on Oct. 23 in Washington D.C. The award celebrates people who have had an impact on American society in ways similar to Samuel Clemens, the 19th century novelist and essayist best known as Mark Twain.

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'SNL' Stars Salute Kennedy Center Honoree Will Ferrell

PHOTOS: 'SNL' Stars Salute Kennedy Center Honoree Will Ferrell

Speakers at the event honoring the former Saturday Night Live star included Ed Asner, Jack Black, Matthew Broderick, Funny or Die co-founder Adam McKay, Conan O’Brien, John C. Reilly, Paul Rudd and Molly Shannon.

Of course, not all of Ferrell’s friends and colleagues could make it out to the event, and so Funny or Die put together a little video message about Ferrell.

Larry David, Sarah Silverman, Amy Poehler, Zach Galifianakis, Eva Mendes, Christina Applegate, Maya Rudolph and many others speak in the video. Each of these stars has glowing words to say about Ferrell, especially grateful for a touching letter he seems to have sent each of them. They begin to read the letter, and it turns out, that each of them has received the same form letter from Ferrell.

STORY: Will Ferrell to be Awarded Mark Twain Prize for American Humor

“You are the single most important influence in my life,” reads the note. “You may have even noticed that I’ve mimicked your style.”

Only one of the stars seems to put two and two together. “It’s a form letter. You sent me two form letters,” Larry David screams at the camera. “He doesn’t know who Mark Twain is!” exclaims David as the camera man runs for the door.

Watch below: