McCoy is a fictional character from the Star Trek franchise, known for his role as the chief medical officer aboard the starship USS Enterprise. He is often referred to as "Bones" and is portrayed by actor DeForest Kelley in the original series. McCoy is characterized by his strong moral compass, quick wit, and deep compassion for his patients. In addition to his medical expertise, McCoy frequently engages in friendly banter with his colleagues, particularly Captain Kirk and Spock. His character often serves as a voice of reason, balancing the logic of Spock with the emotional aspects of human experience. McCoy's contributions to the series have made him a beloved figure among fans.