- "Bustin' makes me feel good. ♬"
- Peter Venkman: A founding member of the Ghostbusters. In most cases, quite a womanizer and has a dry sense of humor. (Original cast: Bill Murray)
- Ray Stantz: Founding member and cheerful person of the Ghostbusters. He always takes care of the maintenance of the patrol car Ecto-1. (Original cast: Dan Aykroyd)
- Egon Spengler: A founding member, the most scientifically brilliant and at the same time the most practical of the Ghostbusters. (Original cast: Harold Ramis)
- Winston Zeddemore: An African-American, who first came some time after the establishment of the Ghostbusters team. Although he has no scientific training, he is reliable compared to his friends and comrades and acts mostly as the voice of reason. (Original cast: Ernie Hudson)
- Slimer: A green, gluttonous spirit and the first paranormal creature that the Ghostbusters caught and thus justifying their career. This figure turned out to be so popular among viewers of the film, that in the subsequent Ghostbusters media he was introduced as a friend figure.
- Janine Melnitz: Secretary of the Ghostbusters. Originally in love with Egon Spengler, she finds the Tax Consultants of the Ghostbusters films, Louis Tully, to be her partner. (Original actress Annie Potts)
- Kylie Griffin: A character who is originally from the Extreme Ghostbusters series (see below). A determined young woman with a deep interest in the paranormal. In the IDW Comics she is the shop manager for Ray Stantz 's book store Landen Ray's Occult Books and helps the Ghostbusters mainly as a post researcher of paranormal characters.
The original fantasy comedy Ghostbusters is about the adventures of parapsychologists Venkman, Stantz and Spengler and their friends against paranormal activities that haunt New York City. After their release from their university, the three scientists founded a private Ghostbusters agency that meets the spreading apparitions with high technology. However, the ghosts turn out in each of their adventure as a prelude to a larger paranormal invasion of a powerful, sinister entity that seeks to subjugate the whole world.
The film premiered in 1984 and became a box office hit, paving the way for an entire franchise their has been the sequel Ghostbusters II (1989), the animated series The Real Ghostbusters (1986-1991) and Extreme Ghostbusters (1997), the last two media play in their own continuity.
In addition, Ghostbusters: The Video Game was published in 2009, which technically takes place two years after Ghostbusters II, and thus represents the unofficial sequel. The video game Ghostbusters are voiced by their original actors.
Ghostbusters and Teenage Mutant Ninja Turtles
- Slimer appears together with Michelangelo and other animated characters as co-stars in the anti-drug animation special Cartoon All-Stars to the Rescue.
- The Real Ghostbusters series and the Teenage Mutant Ninja Turtles each spoofed the other's team: the latter's episode "Zach and the Alien Invaders" had a cameo from the "Bugbusters", while The Real Ghostbusters episode "Mean Teen Green Machine" focused on the reptilian team of the same name.
- Since 2011, the Ghostbusters have had their own comic series from IDW Publishing. In the crossover series Teenage Mutant Ninja Turtles/Ghostbusters, the Ghostbusters meet the Turtles, as they fall through a faulty invention into their New York City.