Ignazio "Nat" Curcuruto, better known by his stage name Joe Kirk, was an American radio, film, and television actor who was best known for playing the role of Mr. Bacciagalupe on The Abbott and Costello Show. He was married to Lou Costello's sister Marie in real life.

The Abbott and Costello Show is an American television sitcom starring the comedy team of Bud Abbott and Lou Costello. The program premiered in syndication in the fall of 1952 and ran two seasons to the spring of 1954. Each season ran 26 episodes.