- As of 2017, he appeared in three films that were nominated for the Best Picture Oscar: The Godfather (1972), The Godfather Part II (1974) and Goodfellas (1990). Of those, The Godfather (1972) and The Godfather Part II (1974) are winners in the category.
- Speaks fluent Italian and Spanish.
- The character "Louie" (voiced by Dan Castellaneta), a mafioso and second in command to Springfield mob boss "Fat Tony", from The Simpsons (1989) is based largely on Sivero, especially as he appeared in Goodfellas (1990).
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