Harry Houlihan is the main antagonist of the 2019 animated Nickelodeon St. Patrick's Day special, Lucky. He is an evil magician who wants to have all the good luck in the world.
He was voiced by Mark Hamill, who also voiced every incarnation of the Joker in the DC universe, Ozai in Avatar: The Last Airbender, Malefor in The Legend of Spyro: Dawn of the Dragon, and Abraham Kane in Motorcity.
Years ago Harry Houlihan lusted for all good luck for himself. So he transformed himself as a dragon and stole McSweeney's lucky pot of gold. Ever since then the McSweeney clan's has been plagued with bad luck.
Role in the Film
Years later Harry Houlihan kept the McSweeney pot of gold in his manor in a secret room and because of it's power he became the luckiest man in all of Fortune City.
McSweeney's great grandson Hap and his showed up at his manor on school field trip. Houlihan appeared in front of the class and allowed them to see his treasures. Hap accidentally stumbled into Houlihan's surveillance room and spotted his family's pot of gold on one his monitors.
Powers and Abilities
Harry Houlihan only known power is that he is able to transform into dragon and breath fire.