Related arguments: the end-times deception — see also Could a staged "alien disclosure" be the end-times "strong delusion" of 2 Thessalonians 2:11?
Type: supporting argument (off-timeline) · Assessment: weak — the conceptual continuity is genuinely interesting: the idea of a spirit-mediated, humanly-routed begetting is old and serious (Aquinas's incubus "two-source" seed-transfer; De Young's sacral "two fathers"), and Jesus's own "as the days of Noah" (Matthew 24:37) is a real dominical hook. But the load-bearing claim — that today's abduction-breeding reports are that Genesis-6 program resumed — does not hold on its best case: the "hybrid program" rests on hypnotic-regression testimony that is methodologically fragile and disputed even within ufology, and the "days of Noah" proof-text, read in context, warns of ordinary heedlessness before sudden judgment, not renewed angelic breeding · advanced by Chuck Missler & Mark Eastman and L. A. Marzulli
We judge the interpretation on its strongest available form, not on any one proponent's wording. The reading has two joints. The structural claim: that a hybrid-begetting mechanism — spirits corrupting or counterfeiting the human line — is a coherent, deeply-rooted Christian idea, not a novelty. The empirical claim built on it: that the reproductive procedures reported in modern abduction accounts (ova and sperm harvested, missing pregnancies, presented "hybrid" children) are that mechanism operating now — a present-day resumption of the Watchers' program that Jesus foretold when he likened the last days to "the days of Noah." The second claim is where the argument lives: the first can be granted in large part and the thesis still fail, because it is the identification of the modern reports with Genesis 6 that carries the weight.
The Nephilim were the strange hybrids of Genesis 6… "But as the days of Noah were, so shall also the coming of the Son of man be" (Matthew 24:37). This is one of the reasons why some conjecture that the UFO phenomena may be a contemporary manifestation of a recurrence of these same hybrids.
— Chuck Missler, Post-Flood Nephilim, khouse.org, stating the thesis of Missler and Eastman's Alien Encounters (1997). L. A. Marzulli sharpens it into an ongoing "SEED war" reaching back to Genesis 3:15: the entities' aim is a hybrid line, "still going on today."1 The assertion is that the abduction phenomenon's reproductive core is not human pathology or extraterrestrial biology but the fallen-angel breeding project of Genesis 6, recommenced as an end-times deception.
The popular lineage runs Missler & Eastman (1997) → Marzulli (On the Trail of the Nephilim, 2013) → Tom Horn and the broader "return of the Nephilim" literature; Marzulli frames it as a "seed war," Missler as "the return of the Nephilim." Beneath the popularizers, the abduction-breeding data they cite are drawn from the mainstream abduction researchers Budd Hopkins and David M. Jacobs, whose hypnotic-regression work produced the "alien–human hybrid program" thesis that the Christian writers re-identify as demonic.2
The mechanism is old, serious, and not an apologetic invention. The strongest form of the argument is not the modern abduction reportage at all but the conceptual lineage it stands in. Long before the flying saucer, the Christian tradition already contained a fully-worked idea of a spirit-mediated begetting that is humanly routed rather than literally angelic. Thomas Aquinas — on the Sethite, non-supernaturalist side of Genesis 6 — nonetheless preserved the medieval incubus tradition: demons "have often presented themselves before women, and have sought and procured intercourse with them," yet any offspring "is not the child of a demon, but of a man," because the demon merely transfers human seed. Fr. Stephen De Young's sacral-kingship reconstruction reaches the same "two fathers" shape by a different route — a divinized human king and the god he embodies jointly "fathering" a child reckoned part-divine. Both answer the stock objection "spirits cannot interbreed" with a mechanism, and the abduction-breeding narrative is a modern analogue of exactly that logic: not a spirit's literal sperm, but a spirit-directed manipulation of human reproductive material.3
The continuity is embedded in the phenomenon's own folklore. The reading does not need to invent a link between old seed-stealing spirits and modern abduction; the secular source of this doctrine's continuity thesis, Jacques Vallée, already drew it. The incubus/succubus of medieval report and the fairy who steals human children or seed sit on the same continuum, in his account, as the modern abductor who harvests ova and sperm — one phenomenon wearing successive costumes. On the demonic reading that continuum is precisely what one would expect if a single class of deceiving spirits has pursued a single aim across the ages.4
The "days of Noah" hook is dominical, not invented. And the proponents are not reading a resurgence into Genesis 6 out of nowhere: Jesus himself compares his coming to "the days of Noah" (Matthew 24:37–39; Luke 17:26–27). If those days were defined by the union of the "sons of God" with women (Genesis 6:1–4), then a Noah-like end — the proponents argue — might be expected to feature the same corruption returning. Taken together, the mechanism-tradition, the folklore continuity, and the dominical saying make the structural claim a coherent and even interesting one.5
The modern "hybrid program" rests on evidence that cannot bear it. This is the decisive objection, and it is evidential, not metaphysical. The abduction-breeding corpus is not physical trace evidence but testimony, and overwhelmingly testimony recovered under hypnosis by researchers — Budd Hopkins and David Jacobs — who were uncertified in hypnotherapy and whose method (leading questions, hypnotic regression on suggestible subjects) is exactly the setup the false-memory literature identifies as generating confabulated "recovered" memories. Jacobs's "hybrid infiltration" thesis is disputed within ufology (John Mack and others read the same experiences very differently), and his conduct as an investigator became a public scandal — the Emma Woods case, documented at length by Michael Heiser (a careful witness on this very doctrine) among others. A claim that today's reports are a resumed Genesis-6 program needs the reports to be reliable reports of something really happening to bodies; hypnotically-recovered abduction memory is precisely the kind of evidence that cannot establish that.6
The "days of Noah" proof-text, read in context, says the opposite of what the argument needs. When Jesus unfolds the comparison, the point he draws is not renewed angelic breeding but ordinary heedlessness: "they were eating and drinking, marrying and giving in marriage, until the day that Noah entered into the ark, and knew not until the flood came, and took them all away" (Matthew 24:38–39). The stressed features are the sheer normality of life and the people's unawareness before sudden judgment — the mainstream reading across the commentary tradition. The one domestic activity named, "marrying and giving in marriage," is ordinary human marriage, not the Genesis-6 union; nothing in the dominical saying points to Nephilim, hybrids, or the "sons of God." To make "days of Noah" a prediction of resurgent angel–human breeding is to import into the text the very thing the text does not mention. The proponents' own careful allies concede the saying's plain sense is about complacency, not hybridization.7
The "physical proof" wing is separable and weaker — and should not be allowed to prop the core. Marzulli in particular reinforces the thesis with claimed physical evidence of literal post-flood hybrids — above all the elongated skulls of Paracas, Peru, promoted (with Brien Foerster) as carrying "alien" or non-human DNA. That sub-claim fails on ordinary archaeological grounds: the elongation is well-documented artificial cranial deformation (infant head-binding), the "anomalies" are known human variants (wormian bones), and the informally-released "DNA" results — never peer-reviewed — in fact identify the samples as human. This is a separate and much weaker argument; it does not strengthen the abduction-recurrence thesis, and leaning on it borrows the authority of "hard evidence" for a case the hard evidence does not support.8
None of this rests on ruling the supernatural out a priori. This wiki does not discount a claim merely because it requires a spirit or a miracle, and the mechanism the argument invokes — a spirit-directed corruption of the human line — is not disqualified by any naturalistic premise. The weakness is that the two things the argument must supply to move from "coherent idea" to "this is happening now" — reliable attestation of the modern instances, and a proof-text that actually predicts them — are the two things it lacks.
The strong writers present the recurrence as established: Missler and Eastman treat the reproductive procedures of abduction reports as recognizably "the same hybrids" of Genesis 6, and Marzulli casts the whole phenomenon as an unfolding "seed war" with soul-less hybrids and physical-skull "proof." That states as demonstrated what the evidence supports only as a speculative parallel: even Missler's own wording concedes it is what "some conjecture." The Paracas-skull and soul-less-hybrid strands are flagged on Marzulli's page as a separable, weaker line that should not carry the thesis. The honest shape of the argument is narrower than the proponents state it: the idea of a spirit-mediated hybrid-begetting is a real and old one, and a Noah-like end is a dominical theme; that modern abduction reports instantiate that begetting is the claim the present evidence cannot carry.
Weak. Not baseless: the conceptual continuity the argument trades on is genuine and worth stating well — the tradition really does contain a spirit-mediated, humanly-routed begetting (Aquinas's incubus seed-transfer; De Young's sacral "two fathers"), the incubus–fairy–abductor folklore chain is documented (Vallée), and "as the days of Noah" (Matthew 24:37) is Jesus's own comparison. Were those three threads enough to identify the modern reports with Genesis 6, the thesis would stand. But the argument does not hold on its best available case, because its load-bearing move is the identification, and that fails at both joints: the modern "hybrid program" is built on hypnotic-regression testimony that is methodologically fragile and disputed even within ufology (Hopkins–Jacobs; the Emma Woods scandal), so it cannot establish that anything bodily is occurring; and the "days of Noah" proof-text, read in context, warns of ordinary heedlessness before sudden judgment (eating, drinking, marrying, unaware), not of resurgent angelic breeding — the text names no Nephilim at all. The separable "physical proof" wing (Paracas skulls) is weaker still and independently refuted. The weakness is evidential and exegetical, not a ruling-out of the supernatural: the wiki grants that the spirits could pursue such an aim; it discounts the claim because fragile testimony cannot show they are, and an overread proof-text cannot show Scripture predicts they would. (For the deeper question of whether the entities are deceiving spirits at all, see the doctrine's spirit-or-spacecraft arguments; for whether the demons are the dead Nephilim's spirits, the Nephilim timeline's unclean-spirits argument page.)
Chuck Missler, "Post-Flood Nephilim," khouse.org — "The Nephilim were the strange hybrids of Genesis 6," and Matthew 24:37 as warrant for "a recurrence of these same hybrids"; stating the thesis of Chuck Missler and Mark Eastman, Alien Encounters: The Secret Behind the UFO Phenomenon (Koinonia House, 1997), archive.org. L. A. Marzulli's "seed war" framing: Abby Trivett, "'These Are Not Aliens': L. A. Marzulli's Shocking Warning About UFO Disclosure," Charisma, mycharisma.com ("The whole thing is a seed war, which is still going on today"), and "The Seed War and Genesis 3:15," lamarzulli.net. Quoted on the Missler–Eastman page and Marzulli's page. ↩
The abduction-breeding data derive from the mainstream abduction researchers Budd Hopkins and David M. Jacobs. Jacobs, a retired Temple University historian, developed the "alien–human hybrid" infiltration thesis in The Threat: Revealing the Secret Alien Agenda (Simon & Schuster, 1998), based on some 700 hypnotic-regression interviews: David M. Jacobs (Wikipedia). The Christian writers (Missler, Marzulli, Horn) re-identify this program as demonic. ↩
Thomas Aquinas, Summa Theologiae I q.51 a.3 ad 6, newadvent.org — the incubi "have sought and procured intercourse" with women, yet the child "is not the child of a demon, but of a man," the demon transferring human seed; quoted and contextualized on Aquinas's Nephilim page. Fr. Stephen De Young's sacral "two fathers" mechanism is weighed on the Nephilim argument page The sacred-marriage rite as the mechanism of the Nephilim (assessment: sound). Both preserve the offspring's supernatural character by routing it through human seed plus spirit agency — the same structural move the abduction-breeding narrative reproduces. ↩
Jacques Vallée, Passport to Magonia: From Folklore to Flying Saucers (Henry Regnery, 1969), archive.org — the incubus/succubus and the seed- and child-stealing fairy set on the same continuum as the modern abductor. See Vallée's page. ↩
Matthew 24:37–39 (matthew/24/37) and Luke 17:26–27 (luke/17/26) — Jesus's "as the days of Noah" comparison; Genesis 6:1–4 (genesis/6/1), the "sons of God" and the Nephilim, the angelic reading of which is traced on the Nephilim timeline. ↩
On the fragility of hypnotically-recovered abduction testimony: Hopkins and Jacobs were uncertified hypnotherapists whose regression method is the setup the false-memory literature flags as generating confabulation — Susan A. Clancy, Abducted: How People Come to Believe They Were Kidnapped by Aliens (Harvard University Press, 2005), publisher page, and Richard J. McNally and Susan A. Clancy, "Sleep Paralysis, Sexual Abuse, and Space Alien Abduction," Transcultural Psychiatry 42, no. 1 (2005): 113–122, journals.sagepub.com. Jacobs's "hybrid" thesis is contested within ufology (John E. Mack read the same experiences as "integration," not "infiltration"): David M. Jacobs (Wikipedia). On the investigator-conduct scandal that discredited the leading hybrid-program researcher, see the Emma Woods case documented by Michael S. Heiser, "The Ordeal of Emma Woods," drmsh.com (PDF), and Jack Brewer, The Greys Have Been Framed: Exploitation in the UFO Community (2016). ↩
Matthew 24:38–39 (matthew/24/38) — "eating and drinking, marrying and giving in marriage… and knew not until the flood came." The mainstream reading stresses the ordinariness of daily life and the people's unawareness before sudden judgment, not renewed angelic breeding: see the commentary survey at Biblehub and Precept Austin (the danger is spiritual complacency amid normal life; the named activities are not sins but routine). "Marrying and giving in marriage" is ordinary human marriage; the saying names no Nephilim. ↩
On the Paracas elongated skulls (promoted by L. A. Marzulli with Brien Foerster as carrying "alien"/non-human DNA): the elongation is well-documented artificial cranial deformation (infant head-binding), the anatomical "anomalies" (e.g. wormian bones) are ordinary human variants, and the informally-released, non-peer-reviewed DNA results identify the samples as human — "Ancient Humans of Paracas Are Victims of a Twisted Tale," Answers in Genesis; "Elongated Skulls Found in Peru Could Be Aliens?", Snopes. This strand is a separable, weaker line, flagged on Marzulli's page. ↩