an Entity references as follows:
John Michael "J.D." Dorian, M.D., is a fictional character and protagonist of the American comedy-drama television series Scrubs. Portrayed by Zach Braff, J.D acts as the narrator and main character of the series from seasons one to eight, providing voice-overs that reveal his internal thoughts and adding an overall narration to the show, often linking the story arcs in each episode thematically.