Ghostbusters: Answer the Call (2016)
Background
Holtzmann attended MIT, where she excelled in engineering, and was later considered for a position at CERN. A lab incident in which a man went into a coma ended that prospect. She then joined the Kenneth P. Higgins Institute, where she worked alongside Abby Yates as an associate professor and helped actualize experimental theories from the book Ghosts from Our Past: Both Literally and Figuratively: The Study of the Paranormal. Abby described her as brilliant and loyal, if prone to unsettling experiments. The day before Abby's old friend Erin Gilbert arrived at the lab to demand the book be taken offline, Holtzmann heard that the coma victim had briefly woken up, screamed, and slipped back under.
Holtzmann's first impression of Erin was not warm. When Erin arrived and interrupted Holtzmann's EVP demonstration with a casual display of expertise, Holtzmann and Abby played a prank on her, letting a recorded flatulence noise pass for paranormal audio. The tension broke when Erin reported Ed Mulgrave Jr.'s claim of a haunting at the Aldridge Mansion Museum, and the three of them drove out to investigate, Holtzmann filming on a Sony 4K camcorder and eating a can of Pringles throughout. They encountered and filmed the ghost of Gertrude Aldridge, which ecto-projected on Erin before flying off. It was the first confirmed ghost sighting for all three of them.
Building the team and equipment
After Dean Thomas Shanks fired Abby and Holtzmann from the Institute and threw them out with their equipment, Erin joined them as a willing co-founder. Unable to afford the Tribeca firehouse they briefly loved, they set up above Zhu's Authentic Hong Kong Food in Chinatown. Holtzmann made immediate use of the new space, dancing to DeBarge, starting small fires with twin torches, and beginning work on the next generation of equipment. She hired Kevin Beckman as receptionist despite spotting, with scientific precision, that he was likely a robot.
When MTA worker Patty Tolan reported a ghost in the Seward Street Subway Station and led the team into the tunnels, Holtzmann brought her first field-ready device: the Proton Box, a bulky proof-of-concept particle accelerator. She strapped a grounding collar around Erin, handed her the thrower, and coached her through the first live proton stream capture attempt. The test worked badly, the machine ended up under an express train, the ghost escaped, and the team was drenched in ectoplasm. Holtzmann was thrilled: she now knew exactly how to add power and make the whole thing wearable. Patty joined the team, providing a 1984 Cadillac hearse. Holtzmann immediately repainted it white and fitted it with lights and a distinctive siren, producing Ecto-1.
The Mark I Proton Pack followed: a portable, wearable particle accelerator using microfabricated radio-frequency quadrupoles to speed particles before entry into the direct linear accelerator device. Combined with Abby's reversible psychokinetic energy sink and Holtzmann's hollow-laser technology in a canister, they had a fully functional Ghost Trap. The team tested the pack in the alley behind Zhu's, discovering it had more kickback than expected. The Mark II came next, with new circuit boards, rebuilt superconducting magnets, improved beam accuracy via a plasma shield, a cryocooler to reduce helium boil-off, and a Faraday cage to prevent RF noise-induced quenching.
The team's first successful capture came at the Stonebrook Theatre, where they trapped Mayhem on stage in front of a live audience. Holtzmann coordinated the trap pedal deployment, stomping the wired pedal to pull the ghost in. She then grabbed a guitar from one of the performers and smashed it on stage, tossed it back, and told them she couldn't pay for it.
Sidearms
Before the final confrontation with Rowan North, Holtzmann presented a personal arsenal on a wooden table: Proton Grenades (a small poof of proton energy, dangerous only to ghosts), a Ghost Chipper (hollow-laser technology that sucked ghosts in and neutralized them), a Proton Glove (maximizing flexibility for hand-to-specter combat), and twin Proton Pistols that deployed from the back of her pack. A Proton Grenade Launcher was on the table too, but still in development; she redirected Erin to a Swiss Army Knife and reminded her no woman should walk around unarmed. The team field-tested the Chipper and Glove in the alley, with varying degrees of property damage.
In the Times Square battle against the ghost army Rowan released, Holtzmann used all of it. She threw grenades alongside Abby, holstered her main thrower, and produced the twin Proton Pistols from her pack when ghosts charged her directly. She dispersed several before the Ring Leader advanced on her. She blasted it point-blank with both pistols, dispersed it before it could grab her, released the pistols back into her pack, and announced: "You just got Holtzmanned."
The Mercado and the portal
Tracing Rowan's ley-line grid to the Mercado Hotel, the team confronted him in the boiler room. After Rowan electrocuted himself to cross into the ghost realm, Holtzmann shut down his machine and the team dealt with the staged arrest Lynch organized to manage the press. Later, Rowan possessed Kevin and opened a full portal in Times Square, releasing a ghost parade including balloon forms of the Stay Puft Marshmallow Man, which pinned the team to the street until Erin freed them with her Swiss Army Knife.
Holtzmann proposed crossing the streams into the portal, correcting Erin's assumption that it would "implode" their atoms: the reaction, she noted, would be considerably more violent than that. When it proved insufficient to reverse the portal, Patty pointed out the Ecto-1 roof rack was essentially a nuclear reactor, and Holtzmann theorized that driving it super-critical inside the vortex, causing a total protonic reversal, would turn the portal into a giant ghost trap. They narrowed the car's path with proton streams and fired at the silver canisters as it descended. The portal closed, pulling every ghost in the city back with it, though Rowan grabbed Abby as he went. Erin dove in after her. Holtzmann and Patty pulled on Erin's wire from outside until both Abby and Erin emerged, hair turned white from the energy. The city was saved.
Afterward, the Mayor's representative offered full funding and the use of the firehouse. Holtzmann claimed the second floor for herself. She later wrote an equipment section for the updated edition of Ghosts from Our Past, covering the Proton Pack, PKE Meter, and Ghost Trap, and she debuted the Ghost Transporter, a clamping device she admitted might send captured ghosts to Michigan, apologizing aloud to the city of Lansing. She also introduced her mentor, Dr. Rebecca Gorin, to the team. Gorin assessed the Containment Unit as completely unstable and pointed to a safety light, asking if it was necessary. Holtzmann replied: "Safety lights are for dudes." Gorin shook her head and said she hated doing that.
IDW Comics
The IDW comics that continue the 2016 continuity flesh out Holtzmann's backstory and expand her engineering work considerably. Growing up, she found human interaction difficult and faked her way through social situations, taking comfort in what she could build and fix. As a teenager she used St. Paul's Chapel in Lower Manhattan as the site of her first weapons test, on a Friday the 13th, pushing a heavy weapon up the stairs herself and concluding she needed either to go to the gym or develop a lightweight polymer substitute. The test went wrong. She ran, yelled for people to get out, and the chapel partially exploded. She learned a great deal and considered it worth it. She has no idea, until much later in the comics, that the four women who would become her team all happened to be near the chapel that same night, fleeing in opposite directions.1
Ghostbusters 101
The Ghostbusters 101 crossover event brings Holtzmann's team into contact with the prime-dimension Ghostbusters when the two timelines' firehouse layouts begin to overlap. Holtzmann's response to meeting the original team is characteristically direct: she races upstairs, grabs Egon Spengler by his tie, and asks about his hair. She immediately starts analyzing the prime team's equipment, marveling at the Interspatial Teleportation Unit (and declaring she needs one), poking her arm through an active portal to verify dimensional overlap, and sticking her head through long enough to observe another dimension's Venkman and Egon discussing stolen cheese before telling the prime Egon to lose the rat-tail. She remains undeterred when Ray Stantz warns her that dispersed P.K.E. reintegrates quickly in the presence of a dimensional breach, a lesson she learns the hard way on Ellis Island when the dispersed ghosts she has already blown up with her Proton Pistols reform into a single powerful entity and attack the team. She is still most annoyed about missing the chance to use the Proton Bazooka.1
Crossing Over and multiversal adventures
During the Crossing Over event, Holtzmann works across multiple field teams alongside Ghostbusters from other dimensions, including Roland Jackson, Special Agent Melanie Ortiz, Bridget Gibbons, and the Egon and Peter of other realities. She teases Walter Peck by grabbing him and threatening to steal his soul with a kiss. She modifies the team's Traps to open wirelessly via an upper-arm remote trigger, baffled that anyone ever used a wired pedal system. She discovers a "turf war" ghost at Fort Washington Park by activating the lighthouse searchlight to rattle its senses, forcing it to reveal its true form. In a comic-strip dimension she ends up as a hostage of Ellen Gold, a malevolent orphanage ghost, before Peter Venkman negotiates her release using impromptu psychology. After Tiamat captures multiple field teams in the Collectors' Limbo, Holtzmann provides the Proton Glove to Winston Zeddemore, who uses it to sock Tiamat in the face while the team deploys Trap-Gates to disperse her P.K.E.1
Separately, Holtzmann teams up with Ron Alexander, a rogue tech contractor from the prime dimension, to build their own teleportation unit by reverse-engineering a Remote Portal Access Band they borrowed. Their stated motivations differ: Ron wants dimensional travel for personal gain, while Holtzmann admits she wanted to find more people she could identify with and make her family bigger. The experiment accidentally piggybacks off the prime team's Containment Unit and triggers a chain reaction that releases several major entities into the multiverse, prompting the large-scale crossover effort. Egon reprimands her, and she apologizes genuinely before Ron undermines it. She later acquires some of Ray's memories through the dimensional bleed, including schematics and the experience of making out with a ghost, a revelation she immediately asks Ray to pretend never came up.1
Answer the Call comics and standalone cases
The ongoing Answer the Call comics put Holtzmann's engineering compulsion at the center of nearly every case. She builds a De-Possessor after Abby's first possession by Rowan's lingering energy, explaining she designed it to reach in and separate two essences, and demonstrates it on a possessed Abby a second time during the Yorkville brownstone case, pulling Dr. Kruger out with a wrist-flick. When Kruger is too powerful to trap, she skips safety testing on the Ghost Zamboni to pull him in. Kruger then sends the team into a shared Nightmare-Scape built from their personal fears. Holtzmann's nightmare is a sterile corporate office full of obedience-and-consume slogans, a robotic manager demanding TPS reports, and, worst of all, hands that go flat and limp, unable to create anything. The fear of conformity and the loss of the ability to build are the two things Holtzmann cannot face. She finds her way out by laughing at Erin's comparatively mundane fear of bees, which leads her to realize the specificity of each person's fear is also a potential key. Back at the firehouse, she bypasses safety settings on her Dream Machine to use Kevin as a test subject, accidentally discovers it makes perfect scrambled eggs, and declares nightmare science eggs for everyone.1
Other later cases include trapping Nunu, a ghost dog, in an apartment stairwell as part of the Sahaq demonology investigation, and luring Sahaq himself into a C-7 Trap she built for the purpose, by tricking the demon into reaching for a child's stuffed animal off the rear of a cruise ship.1
Personality
Holtzmann is a self-described "somewhat mad scientist" who processes the world through what she can build and dismantle. She is a prankster, impulsive, and unpredictable under pressure in ways that consistently unsettle everyone around her, including her own team. She is also deeply, unexpectedly caring: her toast at the end of the 2016 film, which she delivers with a glass and utensil in a TGI Fridays, reflects the sincerity under all the chaos. She says physics can unlock the mysteries of the universe but cannot answer the essential question of purpose, and that her purpose is to love, that she never expected to have a real friend until she met Abby, and that the team is her family. She means every word, and then immediately clears her throat loudly and moves on.
Her fears, revealed in the Nightmare-Scape, are corporate conformity, losing her individuality, and being unable to create. The recurring prankster behavior, the constant building and improvising, the difficulty with straight social interaction: all of it is, at some level, the same drive. She took comfort in things she could make sense of when people made none. By the time the team exists, she has found people who make sense to her.21
Casting and design
Kate McKinnon plays Holtzmann in the 2016 film. McKinnon designed Holtzmann's hairstyle herself; it was not drawn from Egon's look in The Real Ghostbusters, despite surface similarities. Costume designer Jeffrey Kurland drew on Harpo Marx as his primary inspiration for Holtzmann's eclectic clothing choices. McKinnon incorporated her own traits into the character, describing Holtzmann as "from another planet," joyful, friendly, and wanting to connect. She requested a Russian accent for the character during development, which director Paul Feig declined, insisting she bring herself to the role instead.
McKinnon also added specific details during filming: the "world's tiniest bow tie" question in the Aldridge Mansion Museum scene, and the physics meditation in the toast. The extended edition of the film includes a Holtzmann introduction in which she announces she is a Virgo, an avid skier, and "gluten-full." Alternate deleted scenes reveal she was home-schooled, was class president, and has siblings; in one alternate scene she claims to be dating Erin, though this is not treated as established film canon.
The parallels between Holtzmann and Egon Spengler are intentional and often noted: both are socially awkward, eccentric technological geniuses who design all the team's equipment. Holtzmann is deliberately more unpredictable and random than Egon's controlled precision. Peter Venkman observes in the comics that she wears her heart on her sleeve.
IDW's virtual trading card series (released February 2018) specifies Holtzmann holds four doctorates: a D.E.S. in Engineering, an N.D. in Naturopathy, a D.R. in Recreation, and a D.D.S. in Dental Surgery, which the comics treat with the same straight-faced absurdity as the rest of her.13
In Ghostbusters: Spirits Unleashed, the DLC 3 update added a "Holtz Headed" hairstyle and "Throwing Shade" eyewear, both based on Holtzmann's look from the 2016 film. The hairstyle's in-game description quotes her line from the Times Square battle: "You just got Holtzmanned, baby!"4
The 2016 film introduced a visually distinct generation of Ghostbusters equipment with Holtzmann as its in-universe designer, and that gear has attracted builders at GBFans.com alongside the classic original-trilogy hardware. The proton sidearms in particular, being smaller and more portable than the main Proton Pack, have drawn interest from builders looking for wearable one-handed props: the Proton Pistols, the Proton Glove, and the Ghost Chipper each have clear, film-visible forms that reward reference-accurate builds. Holtzmann's own look, the round yellow-tinted safety goggles, leather jacket, and coveralls, is a recognizable and frequently assembled cosplay across the broader Ghostbusters fan community.
References
-
IDW Publishing comics in the Answer the Call continuity, including Ghostbusters: Answer the Call (Issues 1-5), Ghostbusters 101 (Issues 1-6), Ghostbusters: Crossing Over (Issues 1-8), Ghostbusters Annual 2018, and Ghostbusters 35th Anniversary: Answer the Call.
-
Ghostbusters (2016 film), including details from the extended edition, deleted scenes, and the Tor Books novelization by Nancy Holder. The novelization expands some character backstory and occasionally differs from the theatrical cut on minor details.
-
IDW Publishing virtual trading card series, Card 2 of 50, Jillian Holtzmann, released February 22, 2018, by Tom Waltz.
-
Ghostbusters: Spirits Unleashed (IllFonic, 2022), DLC #3 update cosmetic content.
