Father Jack Hackett is a fictional character from the British television sitcom Father Ted. He is portrayed as an elderly, irritable priest who lives on the fictional Craggy Island with two other priests and their housekeeper. Known for his wild behavior and love of alcohol, Father Jack often shouts phrases like "Drink!" and "Feck!" which have become iconic in the show. The character is played by actor Frank Kelly, who brought a unique blend of humor and chaos to the role. Father Jack's antics provide comic relief and highlight the absurdity of the situations the characters find themselves in throughout the series.