Things You May Not About Goodfellas Even If You Go As Far Back As You Can Remember
The Famous “Funny How?” Scene Wasn’t In The Script

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The most quoted scene of the movie comes at the beginning. When Tommy DeVito jokingly-yet-uncomfortably accosts Henry Hill for calling him “funny,” Pesci was responsible for coming up with the premise.
While working at a restaurant, a young Pesci apparently told a mobster that he was funny, a compliment that didn’t seem very enthusiastic.