Rambo, the dog that Pauly Falzoni buys to guard his car, is actually played by Paul Fenech's real-life dog, Fonz.
In the 'Fat Pizza' film, when When Pauly Falzoni is using a disabled toilet and a bloke knocks on the door asking if he's disabled he lies that he has Jiggly Leg Syndrome; in the series he actually gets diagnosed with Jiggly Leg Syndrome.