Sebastian Maniscalco (/mænɪˈskælkoʊ/; Italian: [maniˈskalko]; born July 8, 1973) is an American stand-up comedian and actor.

He has also had supporting acting roles in the films Green Book (2018) and The Irishman (2019), playing mobster Joe Gallo in the latter.

He also played Frank Russo in the 2022 film Somewhere in Queens, and later voice acted in The Super Mario Bros. Movie (2023) and IF (2024).

Maniscalco was born on July 8, 1973, in the Chicago suburb of Arlington Heights, Illinois, to Italian immigrants; his father Salvatore Maniscalco, who worked as a hairstylist, immigrated to the United States with his family from Cefalù, Sicily, at the age of 15.

He graduated from Northern Illinois University in 1995, where he was the president of the Sigma Pi fraternity chapter, with a degree in communication studies.

[7] Maniscalco cites Jerry Seinfeld, George Carlin, Brian Regan, John Ritter, Johnny Carson, Andrew Dice Clay, Bill Burr, and Don Rickles as comedic influences.

As of January 2017, they have a show on Sirius XM satellite radio's Raw Dog Comedy channel 99.

[18] He is known for his "nostalgia" type of humor grounded in personal family experiences and delivered utilizing heavy physical and verbal variations.

[19] Most of his material riffs on being raised in an old-school environment with an immigrant father, or just expressing his amazement at people's outlandish behavior.