Peter Venkman, PhD is a fictional character from the Ghostbusters franchise. He appears in the films Ghostbusters, Ghostbusters II and Ghostbusters: Afterlife and in the animated television series The Real Ghostbusters. In all three live action films, he was portrayed by Bill Murray, and was voiced in the animated series first by Lorenzo Music and then by Dave Coulier. He is a parapsychologist, initially a skeptic on the paranormal despite being a scientist of the subject, and the leader of the Ghostbusters.
