'The Simpsons' animator David Silverman shares early character sketches

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If you're a fan of "The Simpsons," something very magical is happening on Twitter. Animator David Silverman, who has been with the animated series since its beginnings on "The Tracey Ullman Show," is posting tons of original sketches from the show, dating all the way back to the first season.

From early drawings of Marge and Mrs. Krabappel, to sketches of Mr. Burns during his "See My Vest" performance, so much history is being shared with the fans.

Take a look at some of our favorites below, including a very entertaining "Bart Mouth Chart." You can see more sketched from Silverman's collection on his Twitter account.

Photo/Video credit: Twitter