John "J.D." Dorian is a fictional character from the television series Scrubs, which aired from 2001 to 2010. He is portrayed by actor Zach Braff and serves as the show's main protagonist. J.D. is a medical intern who navigates the challenges of working at Sacred Heart Hospital, often using humor and daydreams to cope with the pressures of his profession. Throughout the series, J.D. develops relationships with various characters, including his best friend Turk, played by Donald Faison, and his love interest Elliot Reid, portrayed by Sarah Chalke. The show combines comedy and drama, highlighting the experiences of medical professionals in a relatable manner.