After years on the job, Peter finally stepped down as a Ghostbuster, as did Winston and Ray. In the movie, 1 and 2, he was portrayed by Bill Murray.For more information of the movie version of this character go to the movie article.

Proteus zapped the ones he wanted to his Peter was in his office when he got a call from Egon. Peter immediately remembered Peter is the de facto leader of the Ghostbusters, but in actuality his role is more along the lines of spokesman for the group. Egon asked Peter what was the name of the woman who tried to cut his head off several years ago. It was really hard for Peter around Christmas time because he spent Christmas all by himself. Peter Venkman's voice was changed from He cared about the spud in this show, much like later seasons of The Real Ghostbusters, sometimes coming off sounding like a big brother. He wasn't too keen on wearing the The Ghostbusters battled Proteus and managed to briefly wrangle him but were knocked down after he showed them eight futures at once.
Peter went to Hollywood and tried to sell an idea for another Ghostbusters movie but never got it going because he was waiting for Brad Pitt to become available to portray him.The Extreme Ghostbusters keep a statue of Peter Venkman (complete with uniform and working original Ray chose the name "The Real Ghostbusters" after he neglected to file the proper trademark paperwork in time and another company beat them to the punch in order to market vacuum cleaners. He admits he generally adopts the guise of an easygoing slacker because it makes it harder for opponents to second guess him.
A good-natured, low-key slacker with a hint of con artist and womanizer thrown in. While Peter came across as lazy, he still had a background in science, and could come up with successful plans and theories when he chose to. He has the same personality as his movie counterpart, almost identical. Jim's absence has also helped Peter to become more independent than most people.

In the movies he was the leader of the Ghostbusters and much like the movie he was the attention getting member of the team. Being of like minds, they got along great. In the movies he was the leader of the Ghostbusters and much like the movie he was the attention getting member of the team. He often reinforced the principle of Ghostbusters being a business and disapproved of getting involved with cases without the promise of equity, though he did occasionally make exceptions to this. While on the team, Peter acted as the "unofficial" leader of the Ghostbusters, usually being the last say on deciding if they would take a case.

This caused Peter to hate Christmas for awhile. While working out, Peter overdid it and was launched into Egon's lab during a test with Slimer and the After the first two seasons of The Real Ghostbusters, many changes were made to the show to make it more appealing to younger audiences.

Peter suggested the slight name change but they rarely, if ever, use it in public.Peter stayed behind at the Firehouse rather than go out on a bust.