Just like Sebastian Maniscalco's character (also Sebastian), his father was a hair-dresser who immigrated from Italy at age 15.
The dish Salvo whips up is called Carciofo e Pavone, which literally translates to Artichoke and Peacock
Just like Sebastian Maniscalco's character (also Sebastian), his father was born in Sicilia, Italy. His mother was Italian as well.
In Spain it was titled "Todo sobre mi padre" (all about my father), as a slight hint to the Pedro Almodóvar's movie All About My Mother (1999).