Harry Dunne is a beloved fictional character from the comedy film series Dumb and Dumber. Portrayed by Jeff Daniels, he is known for his goofy personality and loyal friendship with Lloyd Christmas, played by Jim Carrey. Together, they embark on a series of misadventures that highlight their naivety and comedic charm. As one half of the iconic duo, Harry's character is often seen as the more sensible yet still hilariously inept partner. His antics and interactions with other characters contribute to the film's enduring popularity and make him a memorable figure in the realm of comedy.