1. A short story by George Langelaan.2. A 1958 Vincent Price horror movie, which is based on the above story. Has since become a Cult Classic.A scientist invents a teleportation device. Unfortunately, when he tests it, a fly is in the chamber with him. The two switch heads and a hand, much to the chagrin of the scientist's wife. Now the family must find the fly that has his head and hand so he can properly switch them back before it's too late. Return of the Fly (1959) and Curse of the Fly (1965) are sequels.3. David Cronenberg's re-interpretation of that film in 1986. The premise is similar, but advances in special effects and direction by David Cronenberg make things even stranger. This time, mild-mannered but brilliant quantum physicist Seth Brundle (played by Jeff Goldblum) is on the cusp of perfecting his matter transporter after meeting reporter Veronica Quaife (Geena Davis), the love of his life. The happiness is too good to last, as he is accidentally fused with a common housefly on a molecular-genetic level in a seemingly successful transportation experiment. Rather than creating an immediate monster, Veronica now must cope with the pain of watching her lover literally fall apart on a physical and emotional level, and the awful uncertainty of whether the child inside her was conceived before or after the fateful transportation...Be sure to have antidepressants next to your box of tissues before you press play on your DVD player: you'll needboth when the credits roll. And probably a barfbag for before, but that doesn't matter.Both films have sequels, such as they are. Oh, and Howard Shore turned it into an opera.
These films provide examples of the following:
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The series as a whole
Body Horror: Across all incarnations it's the story of a man who becomes a fly, or something like it.
The Fly (1986): When Brundlefly face is peeled off to reveal his hideous form, his human eyes ooze away like pus.
The Fly II: At one point, during his transformation, Martin pulls out his right eye to reveal an insect eye behind it.
Merging Machine: All involve a scientist getting merged with a fly - half and half in the original (though the 1958 has both the head and left arm of the scientist and fly get reversed - the sequel Curse of the Fly has the iconic "man with fly head and vice-versa"), wholesome in 1986.
Mix-and-Match Critters: In addition to the obvious, there's also the monkey-cat in a deleted scene. Averted in the sequel, as Martinfly is far less mashed up than his father.
Bizarre Alien Senses: During The Reveal in which his wife pulls off his hood, Andre's P-O-V is briefly shown, and he sees dozens of simultaneous images of her screaming face through his fly-head's compound eyes.
Downer Ending / Bittersweet Ending: Andre the scientist is forced to commit suicide because his fly components are degrading his human mind and they can't find the fly with human components. At the climax of the movie, the inspector gives a Mercy Kill to the fly-human just as it is about to be devoured by the spider. However, this convinces him that the scientist's wife is not a murderer and, with Francois the brother-in-law, he is able to concoct a plea-bargain that lets her avoid being hanged or condemned to the insane asylum. At the very end of the movie, the mother and son are moving on from the traumatic loss of the scientist, and it is implied that she is falling in love with Francois, who had always loved her from afar.
Evil Hand: The fly's appendage that replaces the scientist's hand becomes increasingly rebellious as his intellect frays.
The Reveal: Andre hides his fly-head from everyone (the audience included) under a hood, until his frustrated wife pulls it off during an argument.
Spared by the Adaptation: Andre's wife Helene commits suicide in the original short story, while in the film, she gets better from her guilt.
The Speechless: After his botched teleportation, the scientist is unable to speak through his fly head. He communicates by typing, writing on a chalkboard, and knocking on tables.
In the original short story (bet you didn't know there was an original short story!), when the scientist, at his wife's urging, goes through the machine a second time in a futile attempt to unscramble things, bits of the cat get mixed in too (though a fly head with a cat nose and ears would've probably seemed more ludicrous than horrible).
Alcohol-Induced Idiocy: Brundle's decision to test the teleporter using himself comes after he's had more than few drinks.
Art Major Biology: Brundle's mishap results from the computer's confusion at the presence of an extra genetic pattern, and its attempt to rectify the situation by fusing them. This conveniently ignores all the genetic material belonging to the bacteria and other microorganisms that make up a sizable proportion of the human body. Probably Artistic License, as otherwise there is no movie.
Beast and Beauty: Sort of. Brundlefly and Veronica, although she feels more like compassion, than love, for him.
Cursed with Awesome: Even though the transformation makes Seth a diseased mutant, he gains several abilities, such as wallcrawling, corrosive vomit, and superhuman strength. It's unclear what the end result of Seth's changes would have been. The state he ultimately reaches (where he wordlessly begs for death by placing the muzzle of a shotgun to his own head) has at least as much to do with being caught partially outside the teleport pod when it activates as with having genetic problems.
Fetus Terrible: The three foot long, blood and amniotic fluid covered maggot Veronica sees in her nightmare.
Focus Group Ending: The focus groups hated all of the possible endings, which included Veronica ending up with Stathis and the "Butterfly Baby." The cast wasn't real crazy about the various endings either; even Jon Getz, the actor who played Stathis, didn't want Veronica to end up with Stathis. Instead, the film closed on a weeping Veronica, which was really the proper ending to the film.
Good Girls Avoid Abortion: Almost averted. Veronica goes into panicked hysterics after seeing Seth's disgusting metamorphosis and Stathis immediately rushes her to an abortion clinic. At the end of the movie, it's implied that she probably will, but if we're going to consider the sequel canon, then she clearly didn't, because the sequel is about their son.
I Cannot Self-Terminate: Seeing the pathetic creature that was once Seth Brundle crawl out of the Telepod, fused with pieces of machinery and in horrifying agony is probably sadder than watching the end of Old Yeller. This can obviously end only one way, and, in one final display of humanity, Brundlefly silently begs a shotgun-armed Veronica to end its life, and after some painful hesitation, she does.
Idiot Ball: Which ever way you slice it, going after a deranged half human hybrid that vomits acid and has double the strength of a normal man by yourself is a pretty stupid move. All Stathis Borans needed to do was phone 911 and tell them that a deranged ex-boyfriend abducted his girlfriend from the abortion clinic in a blind rage - the gaping hole in the surgery wall should be fairly adequate proof.
In Name Only: There's a scientist who gets turned into a fly monster in a teleportation experiment. Other than that, it really has nothing to do with the Vincent Price film and even less to do with Langelaan's story. This is not necessarily a bad thing.
Love Triangle: The base emotional plot of Veronica choosing either Seth or Stathis as her lover, intensified when she feels the need to comfort the diseased Seth and finding Stathis' emotional side emerging from the conflict. That's probably why they made it an opera.
Metamorphosis: Essentially how Seth goes through his transformation.
One-Winged Angel: A truly terrifying example in the films climax; when Veronica rips off the jaw of Brundle's already heavily-deteriorating body, it promptly triggers the final phase of his metamorphosis, in which he sheds all of his human skin, including on his head, revealing the fully formed Brundlefly underneath.
Clipped Wing Angel: When the Brundlefly ends up getting fused with part of the telepod, leaving it helpless and in terrible, dying pain, although its clear that it was already a physically and mentally unstable creature before that.
Seth's metamorphosis into Brundlefly is a extended, humiliating process where he degenerates from a healthy and muscular man into a diseased monstrosity, rotting his flesh to the point that his extremities fall off (including his teeth, his fingernails, his fingers, his penis...), until his whole formerly-human skin sheds completely and he is ultimately reduced to a voiceless insectoid beast.
Phlegmings: Brundlefly excretes a sticky white liquid constantly, which he uses to dissolve and digest his food.
Sex God: Brundlefly becomes a sexual athlete. Subverted in that Veronica can't keep up and it becomes an unpleasant experience.
Split Personality Takeover: Seth's mind also gradually changed into that of a brutal insect. Near the final stages of his transformation, Seth goes so far as to warn Veronica that it is starting to affect his mind, and he fears he will hurt her if she stays.
Tortured Monster: The monster (Seth Brundle post - Tele-Frag) is confronted by a shotgun-wielding Veronica Quaife, and grabs the business end of the shotgun and places it against its head.Tear Jerker moment, indeed.
Tragic Monster: Alas, poor Seth. Probably one of the most profound examples of this trope ever.
Vomit Indiscretion Shot: Used a lot, especially in the final scenes. Although we never get to see the externally digested food getting reabsorbed. Instead we get to see Stathis looking horrified. An unfilmed scene had Seth eating a bag lady, starting by melting her face.
And I Must Scream: Bartok's karmic end has him reduced to a hideously deformed mutant crawling around in a pit, pitifully squirming around and barely able to even feed himself.
Asshole Victim: Pretty much everyone Martin kills after his transformation, especially the two scientists, who despite having raised him since birth never saw him as anything more than a lab rat and treated him like crap.
Big "NO!": Bartok when Martinfly drags him into the telepod with him.
Body Horror: The dog, though averted with Martin's transformation, as most of it took place in a cocoon. Bartok wasn't so lucky...
Cursed with Awesome: Doubly so for Martin compared to his father, since his Martinfly form, while inhuman, turns out to be a coherent, seemingly healthy lifeform instead of a diseased, deformed mishmash of genetic goo (possibly due to being born with the fly genes instead of having them abruptly inserted into him as an adult). He's much more of a werefly/alien lifeform than the diseased corpse-like wreck Seth ended up turning into in the first film.
KarmicFate Worse than Death: Anton Bartok, the Big Bad, who let Martin undergo his transformation and finish the teleporter for his own greedy ends, is ultimately fused with Martin's insect genes through the teleporter, turning him to a hideously deformed mutant. It becomes even more karmic when the epilogue reveals that he's been placed in the same pit the mutated dog was earlier in the movie. It would have been even more so had the original scripted ending been shot: Mutant!Bartok would have begged the now completely human Martin to kill him, only for Martin to shake his head, say "Sorry, dad" and feed him the slop he eats in the last scene.
Red Shirt security guard Mackenzie has his face and eyes melted by acid and survives by ripping off the affected portions before it can completely eat through his head. However, given he can't see or speak, he would've been better off dying.
He didn't even do it on purpose, he was just reflexively clutching at the source of the pain. No only does the flesh come off in his hands, the flesh comes off his hands, too. And he's still conscious afterwards, with his face and hands stripped to bloody bone.