Louis Francis "Lou" Costello (March 6, 1906 – March 3, 1959) was an American actor and comedian

Comedian

A comedian or comic is a person who seeks to entertain an audience, primarily by making them laugh. This might be through jokes or amusing situations, or acting a fool, as in slapstick, or employing prop comedy...

 best known as half of the comedy team of Abbott and Costello

Abbott and Costello

William "Bud" Abbott and Lou Costello performed together as Abbott and Costello, an American comedy duo whose work on stage, radio, film and television made them the most popular comedy team during the 1940s and 1950s...

, with Bud Abbott

Bud Abbott

William Alexander "Bud" Abbott was an American actor, producer and comedian. He is best remembered as the straight man of the comedy team of Abbott and Costello, with Lou Costello.-Early life:...

. Costello was famous for his bumbling, chubby, clean-cut image that has appealed to many Americans over the decades, and for his shouted line of "HEEEEYYY ABBOTT!!"
Lou Costello was born Louis Francis Cristillo on March 6, 1906 in Paterson, New Jersey

Paterson, New Jersey

Paterson is a city serving as the county seat of Passaic County, New Jersey, United States. As of the 2010 United States Census, its population was 146,199, rendering it New Jersey's third largest city and one of the largest cities in the New York City Metropolitan Area, despite a decrease of 3,023...

 to Italian

Italian people

The Italian people are an ethnic group that share a common Italian culture, ancestry and speak the Italian language as a mother tongue. Within Italy, Italians are defined by citizenship, regardless of ancestry or country of residence , and are distinguished from people...

 father Sebastiano Cristillo from Caserta, Italy, and mother Helen Rege of French

French people

The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

 and Irish

Irish people

The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...

 ancestry .