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Slimer (also known as Onionhead, Little Spud, or The Green Ghost) is a major antagonist of Sony's original Ghostbusters movie. He is a ghost made up of pure Ectoplasm and the first ghost successfully captured by the Ghostbusters. Slimer is well known for his gigantic appetite and the slime he leaves behind when he passes through solid objects.

His vocal sound effects were provided by Frank Welker.

Canonicity

Slimer in the Primary Canon is developed from Ghostbusters (1984), Ghostbusters II, and Ghostbusters: Frozen Empire. In Ghostbusters: The Video Game (Realistic Versions), a Secondary Canon, Ghostbusters (1984) and Ghostbusters II pre-date the game, Ghostbusters: Afterlife conflicts with the game. Slimer (prime) appears in the IDW Comic Series, a Secondary Canon, which follows Ghostbusters (1984) and Ghostbusters II, also includes some elements from Ghostbusters: The Video Game (Realistic Versions) and Ghostbusters: The Video Game (Stylized Versions); as well as being canon to Tobin's Spirit Guide (Insight Editions). Ghostbusters: Sanctum of Slime video game, deemed a Tertiary Canon, follows Ghostbusters (1984) and Ghostbusters II.

History

Primary Canon History

Ghostbusters (1984)

Slimer was a legendary ghost to all on the original staff of the Sedgewick Hotel. His usual territory was the twelfth floor, but his outings were usually non-violent and simply involved eating food. As a result, the hotel was able to keep a lid on the supernatural problems (for a while). For some reason, Gozer's approaching time of arrival provoked Slimer (and many other ghosts) into being much more active than usual. Eventually the staff couldn't keep the ghost a secret anymore and called the Ghostbusters two weeks later. However, the Ghostbusters had not yet fully tested their equipment and weren't completely prepared for a full capture. Ray was the first to find Slimer, but missed him and Slimer escaped into the next hall, where he slimed Peter Venkman.

After many errant shots and the resulting destruction, Slimer flew into the Alhambra Ballroom where the Ghostbusters made another attempt at capture. Though Slimer is at first tossed around by some more missed shots, the Ghostbusters eventually manage to get him in the streams. Slimer was then caught in the Trap and put in the storage facility. However, he was released with the many other ghosts when the storage facility was shut down by Walter Peck. Slimer occupied a hot dog cart on at 1221 Avenue of the Americas in front of the Rockefeller Plaza. When the Hot Dog Vendor opened the cart, he was naturally shocked to see a ghost. Slimer had multiple dogs in his mouth. After the Ghostbusters defeated Gozer and left Central Park West, Slimer was sighted in the area.

Ghostbusters II

Slimer resurfaced after the Ghostbusters started up again in late 1989 and had apparently gotten much fatter in the span of five years. Throughout the Vigo incident of 1989, Slimer interacted with Louis Tully. The two first met in the Firehouse's garage bay when Louis caught Slimer eating his lunch, to which the two of them fled in fear in opposite directions. On New Year's Eve, Louis decided to take up a Proton Pack and help the Ghostbusters. In an attempt to patch up their initial misunderstanding, Slimer helped an exhausted Louis by giving him a ride to the Manhattan Museum of Art in a bus on New Year's Eve. Louis wondered how he got his license but went on anyway.

Before Ghostbusters: Frozen Empire

Slimer stole food from the second floor kitchen of the Firehouse.

Ghostbusters: Frozen Empire

In the summer of 2024, Slimer's Ectoplasm dripped down into Trevor Spengler's bedroom. Slimer was inside a pile of food wrappers in the attic the Firehouse. He was disturbed by Trevor moving some wrappers aside with one of his shoes. Slimer opened his eyes, flew out from the pile, slimed Trevor, and went through a wall. Two days later, Trevor used Cheetos to lure Slimer from his trash pile. The trail led to a Trap partly concealed with more Cheetos. Trevor had a clean shot with his Particle Thrower but the Firehouse suddenly rumbled because of the Death Chill. Slimer reacted to it, saw Trevor, and charged.

The next day, Slimer suddenly appeared in the second floor kitchen and scarfed down the pizza possessed by Possessor as it tried to jump off the kitchen table. He flew up through the ceiling. After Garraka was trapped in the Containment Unit, Slimer was chased around by Sewer Dragon. He flew out of the Firehouse and disrupted the impromptu press conference outside. The Ghostbusters drove off in Ecto-1 and followed after the two ghosts.

Secondary Canon History

Ghostbusters: The Video Game (Realistic Version)

At some point, Slimer was recaptured and kept in a Paranormal Containment Research Tank in the Firehouse in the lobby. Egon Spengler used him for various paranormal studies. On Thanksgiving weekend 1991, Slimer was playing with Peter Venkman's ESP cards inside the Paranormal Containment Research Tank. The Psi Energy Pulse damaged the Tank and Slimer escaped. The team finds him looking at the Containment Unit. When the Rookie takes a shot, Slimer avoids it and the Proton Stream hits the Unit, releasing the Sloth Ghost. Rookie and Ray pursued Slimer into the Sub-Basement but it escaped through a wall. After the Sloth Ghost was recaptured, the Ghostbusters headed to the Sedgewick Hotel on Ray's hunch Slimer would return to his old haunt. Sure enough, Slimer was found by Ray, Peter, and Rookie eating and drinking off someone's tray in front of Room 1218. Rookie took a shot but Slimer ran for it and tried to hide. Rookie roused him out and Slimer flew off towards the elevators where he descended back to the ground floor (but not before sliming Peter for a second time). Slimer was joined by Bellhop Ghosts. With renewed paranormal activity, Egon opted to split up. Rookie and Peter were tasked with recapturing Slimer. Peter believed he was feasting in the Alhambra Ballroom but the manager John O'Keefe barred their entrance. Peter regrouped and led Rookie through the kitchen to access the other entrance to the ballroom. Rookie and Peter successfully trapped Slimer. Slimer was placed back into a working Paranormal Containment Research Tank when the team returned from Times Square. When Ivo Shandor shut down the containment grid, Slimer was among the escapees. After the Ghostbusters destroyed Shandor and returned to the physical plane, Slimer slimed Ilyssa Selwyn just as she and Peter were about to kiss in Central Park.

IDW Comic Series

In the early 1920s up through 1938 or so, the Sedgewick Hotel played host to the Cult of Gozer. Supposedly, one of their incentives to draw in Gozer was to summon a hungry spirit that would wreck havoc on the American food supply which would have made them prime targets during World War II. However, a semi-corporeal manifestation of gluttony was conjured instead. The ghost stuffed their sacrifice, a live chicken, into its mouth. But it was a "hungry spirit" and could never sate its inhuman appetite. Luckily, the ghost was too lazy to roam outside and eat everything in sight. It remained anchored to the Sedgewick for decades. Documented hauntings by the ghost began in the mid-1920s. In 1951, someone ignored the Sedgewick's no room service policy on the 12th floor. Two bellhops took a cart to the floor, unaware of Slimer. Slimer quickly pounced on the cart and feasted. One of the bellhops soon resigned. In the 1980s, Slimer attacked some Honeymooners in their suite at the Sedgewick. He ate all their Primo Spiffies Cakes then slimed them.

During the initial encounter with the ghost, the Ghostbusters nicknamed it "Slimer" after it collided with Peter. After the Ghostbusters returned to the Firehouse, Egon and Ray deposited Slimer into the Containment Unit but it made an odd noise. The red alert activated and they were knocked on their backs. Egon speculated the field was not properly neutronized. Slimer manifested upstairs and stole a prototype Proton Grenade from Egon's locker. Suddenly, a P.K.E. Meter detected Slimer and lit up. They ran up the stairs and saw Slimer. It flew outside into Tribeca. Ray and Egon put on their packs and chased after it. Luckily, Slimer was driven more by impulse than intelligence. It was distracted by unfamiliar surroundings and investigated them rather then flying as far away from the Firehouse as it could. Slimer spooked a crowd and stole a hot dog off a man then surprised a man in Tribeca Park. He dropped his pizza box and ran away. Ray ran off to get bait from the Square Diner's dumpster, leaving Egon to "stall" Slimer. While Slimer was focused on eating the pizza, Egon got close. He was about to open a Trap behind it without incident but Slimer noticed and punched Egon. Slimer fiddled with the Proton Grenade and threw it. Egon dove for safety but it turned out to be a dud and never detonated. Slimer returned to the pizza. Egon threw out a Trap and wrangled Slimer. Slimer resisted the single Proton Stream. Egon boosted power on his Particle Thrower as much as he dared and pulled it to the Trap. The ordeal reminded Egon of a childhood fishing trip where he fought with and lost a rockfish that weighed as much as he did. Slimer was successfully recaptured. Egon dropped to his knees in exasperation, only to be hassled by some pigeons that witnessed the bust. Egon concluded that it proved beyond a shadow of a doubt, that it was not safe to go on solo calls.

It was eventually recaptured and placed into a Paranormal Containment Research Tank for study. After the "Shandor Incident," Slimer proved to be a problematic repeat haunter. He began terrorizing an apartment complex occupied by Alan Crendall, who thought it was a curse for what his Uncle Janosz Poha did in 1989. One week later, Alan told Winston about his problem. Winston and Peter investigated the following afternoon. While Winston scanned the Crendall's unit in room 426, Peter checked next door in 427. Peter ran into Slimer and flew through the wall into 426. An hour or two later, Winston and Peter were still having an unusually difficult time in capturing Slimer. In a shocking display, Slimer was able to pull free from the Proton Stream. Using Winston as bait, Peter managed to ambush Slimer and trapped him. Slimer was returned to a Paranormal Containment Research Tank in the Firehouse. Egon later postulated the current uptick in P.K.E. made Slimer stronger than usual.

In the fall, after the Ghostbusters' trip across the nation, Egon used Slimer as a test subject for his studies on the Ghost Smashers. For several days, Egon experimented on explosive dispersal of mid-range ectoplasmic manifestations. Slimer proved to be an excellent test-subject. Egon concluded the time to reconstitution in a 180 cubic foot enclosure averaged at around three hours and 47 minutes. From that data, he extrapolated when the entities atomized by the Ghost Smashers would also reconstitute. When Egon wasn't looking, Peter dispersed Slimer for fun.

During the tail end of the Tiamat incident, the battle between the Ghostbusters and the Gozer-Tiamat-possessed Ray created another chance for Slimer to escape from the Paranormal Containment Research Tank. Three months later, Slimer was seen flying past Saks Fifth Avenue. At some point after the Saks Fifth case, Slimer returned to the Sedgewick Hotel. He was subsequently recaptured and returned to the Paranormal Containment Research Tank. During the Chi-You incident, Slimer snapped at Michelangelo. Ray demonstrated the effects of certain books on ghosts. He waived Fairfax's Demonologia at Slimer who recoiled and shielded his eyes. Once the demonstration was over, Slimer made faces at Ray. Ghostbusters from a parallel dimension were displaced by a ward of protection and Proteus' spell. They went into the Firehouse unaware it wasn't their own. Ray Stantz saw Slimer in the containment tank and went to release him. Egon Spengler observed Slimer's readings on his P.K.E. Meter and noticed they were different from their Slimer. It was too late. Slimer grabbed Ray and threw him aside. Egon, Peter, and Ray opened fire and wrangled him. Winston trapped him. Slimer was returned to the confines of the tank where he began consuming a cooked turkey.

Peter decided to play a prank on Egon, Ray, and Kylie. He hid a walkie talkie behind the research tank. As Peter instructed them, the 101 class inquired about the origin of Slimer. Egon Spengler and Kylie Griffin acknowledged there was a lot of theories about it. Kylie thought he was probably an employee in his past life since he was anchored to the hotel. She speculated he was probably a chef given his obsession with food and envisioned a scenario where he died of a heart attack after a complaint about his Beef Tartare left him incredibly angry. Egon disagreed. He speculated he could have been a vagrant due to his anti social behavior and a fixation on food. Ray didn't think the ghost was ever human and was simply a representational force given form. He cited from Funder's Cults of the Northeast. Peter proceeded with his prank and pretended to be Slimer on the walkie. Egon, Kylie, and Ray thought Slimer claimed he was once a king in his past life. They took the bait and scrambled to document what just happened. Peter thought of one more thing. Slimer "confessed" Ray fed him Egon's stash of snack cakes to see if they would digest differently. Egon was irate. Peter was amused with himself and paid off the teenagers for helping him. Slimer, while still in the tank, appeared on the Ghostbusters 101 commercial with Egon.

During a state of dimensional overlap, the Ghostbusters met another alternate team. Kevin Beckman was excited by his new surroundings. Egon Spengler told him if he was good, he could name the green ghost. Kevin decided on "Kevin Junior". As Jillian Holtzmann observed the properties of the research tank, Slimer screamed at her. Abby Yates mistook Slimer as their dimension's counterpart but Holtzmann reminded her they blew that one up during the Mercado Hotel battle. During the ghost retrieval mission in the prime dimension, Slimer of 80-C, with Lady Slimer, drove a shuttle to the Firehouse and dropped off the Ghostbusters of Dimension 11-W, Ghostbusters of Dimension 68-M, Ghostbusters of Dimension 68-Q, Jenny Moran, Slimer 68-R, Slimer 68-E, Slimer 68-Q, and Slimer 11-W. Jenny flew upstairs to the second floor to gets some notes while Slimer 68-R, Slimer 68-E, Slimer 68-Q, and Slimer 80-C looked at Slimer in the Paranormal Containment Research Tank. Slimer screamed at them. They got scared and hid behind Jenny then kissed Walter Peck at the same time. Slimer ate some chicken in the Paranormal Containment Research Tank when Starscream flew upstairs through the floor. Starscream modified his size and looked around for technology he could make use of. Starscream was disgusted and called Slimer a bag of human excrement. He believed it was merciful to blast it out of its misery. Starscream's attack deflected off the ionized glass. Peter informed him the glass was impervious to ghosts.

Secondary Canon (Expanded Universe) History

Ghostbusters: The Video Game (Stylized Version)

He is more like a pet in this version evidenced by three dog food bowls with him in the Paranormal Containment Research Tank. Much like the Realistic Version, he escapes from his tank when the Psi Energy Pulse passes through the Firehouse. However, he only stays shortly to wave goodbye to the Ghostbusters then leaves for the Sedgewick Hotel. Peter and the Rookie recapture him, and he is placed into another research tank. When the ghosts are released from the Containment Unit, Slimer escapes again, but at the end of the game, Slimer doesn't slime Ilyssa. Instead, he reappears above the garage bay in the Firehouse. The credits roll while the Rookie(s) try to catch him again.

Ghostbusters: The Video Game (Stylized Portable Version)

He is much like the normal Stylized Version. However, the relationship as a pet/research subject wasn't suggested in dialog.

Tobin's Guide

The sticky green slime machine from the Sedgewick Hotel.

Dealing with the Supernatural

Ghost (must trap)

Tertiary Canon History

In "The Real Ghostbusters" continuing from the first movie, Slimer actually stuck around the Ghostbuster headquarters. He apparently was feeling lonely and the Ghostbusters were the only ones who paid attention to him. He mainly stayed hidden until being drawn out because of his appetite. The Ghostbusters at first reacted negatively to him, but as he hung around they started to tolerate him and even treat him like a friend. Ray gave him the name "Slimer" (just to annoy Peter). Slimer was finally accepted as a pet ghost after helping the Ghostbusters stop the Anti-Ghostbusters. Slimer also returned in "Extreme Ghostbusters" as a pet of Egon's at the firehouse.

In the 2016 Ghostbusters movie, Slimer takes the Ecto-1 for a joyride and ultimately unwittingly helps the Ghostbusters. Slimer is present as a enemy in Ghostbusters Activision Video Game (2016).

Ghostbusters: The Board Game

"Ghost Card Information"

Side A:

"Impossible Mode Side A" Side A:

Side B:

Slimer is a "focused, non-terminal repeating phantasm or a class 5 full roaming vapor" made of pure Ectoplasm.

Prior to his first run-in with the Ghostbusters, Slimer had been haunting the five-star Sedgewick Hotel, specifically the 12th floor.

Slimer is well-known for a voracious appetite and leaving slime behind after passing through solid objects... especially humans.

"Operations and Field Manual" This rascal is pretty fast! Be prepared to lose Line of Sight and lose attached Streams every so often when fighting Slimer. Proton Streams that hit, but do not Trap, Slimer trigger its "When Hit" ability. Since that makes it move 2 spaces towards you, it is best to engage tis Ghost from 3 spaces away. The Proton Stream that traps it does not trigger its "When Hit" ability. Instead, resolve its "When Trapped" ability. If you miss Slimer with your Proton Roll, it Slimes each Ghostbuster adjacent to it (you and any teammates), and then moves 2 spaces in a random direction. Roll the Movement Die and reference the PKE Meter to determine that direction. You are likely to lose LoS to Slimer when it runs. A tactical repositioning is sometimes more important than shooting at a Ghost. Slimer is one of the few Ghosts who will leave the map and not become permanently lost. When it leaves the map, continue Slimer's movement in that same direction, but emerging from the opposite side of the map, in a wrap-around style.

Ghostbusters (Beeline mobile game)

You capture Slimer once, at the start of the game. He somehow escapes the Containment Unit and just floats around. The player can tap on him for a daily reward.

Tobin's Spirit Guide

Fondly dubbed "Onion Head" he's haunted the HQ for years. Throws slimeballs around and provides daily rewards.

Ghostbusters: Sanctum of Slime

Slimer randomly appears in certain levels (Level 1: Training Day, Level 2: Asylum Brawl, Level 3: River of Ooze, Level 7: Back to the Sedgewick, and Level 9: Lair of the Huge Spider) but leaves after some time or taking a few blasts from the players. He is never dispersed nor trapped in the course of the story.

Ghostbusters: Spirits Unleashed

Entry Bio

Ah, the infamous Slimer. Can we ever be certain where this insatiable entity's allegiance truly lies? Perhaps not, but what what we be certain of is the hideous amount of noxious slime they can produce in an instant.

Ultimate Ability
Unique Ability
Patch Notes

Patch 1.5.0 fixed an issue where the Ectoplast's Slimenado was not behaving properly when performed by an AI Ghost.

Ghostbusters: Rise of the Ghost Lord

The San Francisco Ghostbusters returned to Hookfaber Mansion after they defeated Ghost Lord and encountered Slimer, who inexplicably manifested in San Francisco, in the underground laboratory. Ray speculated it was the result of crossing a spectral boundary, reprojection, or quantum mechanics. The team chased Slimer around the lab then took the elevator back up and battled Slimer in the foyer. He hid in objects and animated them. The Ghostbusters eventually trapped him and Ray mused a way to send the Trap back to New York would have to be figured out later. During the Frozen Empire incident, the team found Slimer eating someone's pizza in an apartment in Chinatown. It ran off and a replacement handle for the broken Harvester was found in one of the pizza boxes. Soon after, Slimer was seen hovering near Ecto-1 when the team returned with full canisters. It ran away again.

88MPH Comic Series

Slimer fell into the Ghost Legion who allied with Michael Draverhaven. From a hangar at the John F. Kennedy International Airport, Michael kept Slimer at his side as he coordinated attacks on New York City and the Ghostbusters. He used Slimer's Ectoplasm to construct a simple map of the city and to restrain Ray. When the other Ghostbusters arrived, Peter relished the chance to take another shot at Slimer. In the aftermath, it appears he evaded capture and fled the hangar with the rest of the ghosts.

Personality

Throughout the first film, Slimer appears to lack intelligence and was all about getting a good snack. It was normally a shy ghost but was not afraid to slime when cornered. In the second movie, it appears that Slimer had become more intelligent and could drive a bus. So far, in the video game and cartoon he has grown in intelligence and seems to understand basic human concepts.

Development

Originally in the Ghost Smashers script, the tone of the movie was darker and Slimer wasn't as cute as he later became. In the opening sequence, the Ghost Smashers responded to a call from the Greenville Guest House regarding the discovery in the kitchen of gluttonous yellow mist or grotesquely altered human form --'free-repeating vaporous phantasm'. After chasing the apparition -- described as 'onion-headed' at one point -- through the rustic guest home, the Ghost Smashers cornered it in the basement, encircled it with nutrona beams and maneuvered it into a small collapsible trap. They charged $500, to which the Greenville Guest House proprietor balked at.

In the script for Ghostbusters, Slimer is never actually called by any name, so is never given one. The creature's original moniker was simply The Onionhead Ghost, which the film crew semi-officially dubbed him because of his horrible odor, which he used to scare a couple in a scene cut from the original movie. In early drafts, Slimer was vaguely described as an 'incredibly foul-smelling amorphous vapor'. Steve Johnson worked on hundreds of Slimer variations over a period of six months. At first, they asked for a "smile with arms" then started nitpicking, asking for ears, then no ears, less pathos, more pathos, a bigger nose, a smaller nose, more cartoony, and less cartoony. It wasn't until the day before the deadline for the design, in July 1983, that Johnson was told they wanted Slimer to look like John Belushi. With less than 24 hours, Johnson pulled out a stack of headshots of Belushi, did some cocaine, and went to work. During a bout of delusional paranoia that night, he thought Belushi's ghost came to help him finish the design by giving him words of encouragement and modeling. The ghost parted ways with him, warning that cocaine will kill him. The next day, the submitted design was approved. The 'green, potato-shape' was soon incorporated into the script. In total, three large scale Onionhead ghosts were created, each with a different expression and/or task. One was for smiling, one was for looking scared, and one was for drinking. A miniature was made for long shots of it flying around the hotel chandelier but it wasn't used.

The Slimer puppet was originally supposed to be a third or half the size of the final puppet. Mark Siegel made Slimer's jaw and tongue. He used dental acrylic and made Slimer's jaw the same way a dentist makes dentures. He sculpted them in clay, made a huge silicone mold, and cast them. Siegel made the tongue so it could be operated like an arm puppet. Steve Johnson originally wanted to create a mechanical puppet with really long and skinny arms so that it would truly look inhuman. Richard Edlund thought he was crazy and told them to put someone in the puppet, use his arms for the puppet's, and film it. Johnson realized they could not only remove the person's legs optically but anyone or anything else in black around it could be removed, too. During effects photography, the suit was worn by Mark Bryan Wilson. Wilson's legs were concealed with black velvet. A team of puppeteers dealt with facial expressions. Wilson worked with oversized props so the ghost would appear smaller after composited into live action. The puppeteer crew watched John Belushi's movies for research and implemented some of his mannerisms into Slimer's facial expressions. Mark Siegel was able to set Slimer's eyebrow expressions based on some things Belushi did in "Animal House" in particular. The Slimer puppet, Mark Bryan Wilson, and the puppeteers rarely moved. The camera filmed them from atop a moving dolly truck.

The skull cap was positioned in the puppet so that Mark Bryan Wilson could see out through a black scrim from the back of Slimer's throat without the camera picking him up. Most of the time a loose casting of the tongue was used. Craig Caton pulled a simple bar mechanism to create different facial expressions. A life cast was done on Wilson in order to position and figure out what the proportions of the puppet head would be and where Wilson's head would fit inside it. He was given rubber gloves, too. A strap was placed under Wilson's chin which then went into a fiberglass helmet. As a result, when Wilson moved his head he could make Slimer's head change direction. The other puppeteers were dressed in black and were always near him during filming. They filmed against a black background. The Onionhead form was cast in the form of a foam latex suit but actual expressions were done with cable mechanisms. Johnson made sure to design all of Slimer's wrinkles in a concentric fashion so that a puppeteer could come up behind the puppet, grab the handles on its cheeks and take advantage of all the free muscle. To prevent the puppet from drooping onto Wilson, a series of concentric spring steel bands were incorporated. A side benefit of the bands was they could make the puppet jiggle around. The body suspensions of the suit were based on old fashioned "dress hoops" so that a certain amount of "squash & stretch" could be achieved. The flexible jaw mechanics were made from stainless steel bands commonly used for strapping crates together. The bands allowed the mouth to be opened and closed and also flexed into extreme expressions. The Boss Film crew went with a lime fluorescent green color so that the Slimer puppet could easily be seen in the room where it was filmed.

For the live action set, in the scene where Ray spooks Slimer, Mark Siegel sculpted the expression so it would worn as a prosthetic over the puppet instead of making a second new puppet. Slimer eating was done blindly by Mark Bryan Wilson. Mark Siegel was jammed up behind the puppet to reach into the back of Slimer's head in order to operate the tongue puppet. Because of the way Siegel was working, Wilson could not see from the skull cap inside puppet and had to bend down and reach blindly for the plates on the cart. Steve Johnson was crammed in behind Siegel and operated the cheek. There were plates full of food such as mashed potatoes, lettuce, and jello on the mock up cart used for filming. As Wilson tossed the plates of food into the puppet's mouth, the food ran down the back of his neck. When scene was done filming, the Boss Film crew immediately started laughing. All of sudden, they heard Mark Bryan Wilson demanding he be taken out of the puppet since he was still drenched in food. In the shot, a room service cart trailed after him. The cart was motorized and piloted from underneath by one of Chuck Gaspar's crew. Naturally, when the cart crashes, the driver is not present. For the shot of Slimer phasing through the wall, a three inch long partial sculpture by Mark Siegel dubbed "Bullet Slimer" was used and shot at Boss Films as a separate element to be incorporated optically later on.

A casting was made specifically for the ballroom scene when Slimer is drinking a bottle of champagne. When test footage was taken, Jon Berg helped with puppeteering while he was consulting at the creature shop. However, someone on the production team thought it would confuse the audience into thinking there was another ghost because the expression made him look entirely different. The drinking prosthetic was never used for filming. For the shot of Slimer dodging the Proton Streams at the table, a three inch tall rubber puppet made by Mark Siegel was used. For Slimer's hot dog scene, Mark Siegel had to make larger-than-normal sized hot dogs to keep in scale with the Slimer puppet. He found a sausage link and studpied the proportions to get a proper diameter. A batch of foam latex pre-pigmented with a hot dog color was poured into a PVC pipe, baked in an oven, and pulled out of the tube. Siegel then cut the hot dogs into the proper lengths, cinched the ends together like a real hot dog, and tied the ends together then tied them all together with mono filament. On the filming day, Siegel pulled the mono filament to simulate Slimer swallowing the hot dogs.

When the cartoon series was produced, in response to the name much given to the character by audiences, the writers renamed the green ghost "Slimer", and the name stuck on all subsequent Ghostbusters properties (he was even named Slimer in the end credits of Ghostbusters II, but a character never actually referred to him as Slimer in the film canon until Ghostbusters: The Video Game), although he was referred to as "The Green Ghost" early in the related toy line. In later releases of his first figure, an extra label was applied specifying "Known as 'Slimer' in the 'Real Ghostbusters' TV show. Slimer wasn't always a definite part of the Ghostbusters II script. It was a matter of considerable debate if he should appear at all. Slimer's appeal, luckily, was very universal among children thanks in part to the first movie and The Real Ghostbusters. Slimer was given a subplot and written into movie - Slimer would eat various foods in the Firehouse while Louis Tully would try to trap him then they would become friends. Michael Gross requested elements of the first movie and animated version of Slimer to be incorporated into the movie. Tim Lawrence and Thom Enriquez worked on a new design. Meanwhile, Bobby Porter was called into portray Slimer. Some of the technology and techniques used for Nunzio Scoleri were used for Slimer - the divided head construct, pneumatic jaws, SNARK and a fat suit - a departure from the first movie where he was hand puppeteered. During review of dailies in Los Angeles, Bill Murray commented the title of the movie was "Ghostbusters" and not "Slimer." Slimer was removed from the script. Porter was released.

Two weeks later, Slimer was back in the script and had a bigger role. However, Porter was no longer available. Effects coordinator Ned Gorman remembered working with Robin Navlyt on "Willow" and she was brought in. Surprisingly, she was the same height as Porter and fit into the suit very well. Chris Goehe and his mold shop crew made a full lifecast on her and Al Coulter worked on a new skullcap. The Slimer shoot was finished close to the first day of shooting. Michael Gross was on hand to push the crew to keep Slimer subtle and reduce any complicated approaches to moving him. Murray again objected to Slimer and his role was reduced.

Slimer's segments were deemed intrusive by preview audiences. During editing, Ivan Reitman decided to limit Slimer's role even though all scripted scenes were filmed and completed. Ultimately, Slimer's scenes were trimmed to two brief shots plus one during the end titles.

Gallery

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Trivia

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