The Real Truth About fern — Thumbnail comparison
[1] Strongest — Same composition: "ROOM 1046" in large white letters at the top, red-and-black palette, a body in red on a red floor grid, a handprint (bathtub in Spektator, bed in fern). fern’s bed variant recorded in Lume’s screenshot of 25 Aug 2026; on 3 Sep 2026 fern showed a different cover (a door), YouTube tests variants.
Earlier: Spektator, "The Enduring Mystery Of Room 1046", 2025-01-02, 1351568 views — https://www.youtube.com/watch?v=zMC742kCpHA
fern: "The Unsolved Murder in Room 1046", 2026-08-19 (594 days later) — https://www.youtube.com/watch?v=zy6ZN1qM3sY
[2] Strong — Same composition: large white "GERMAN" at the top, fire background, angry cartoon character with mouth wide open. Title identical word for word.
Earlier: VEGA, "Why German Sounds So Aggressive!", 2023-10-19, 414 views — https://www.youtube.com/watch?v=gMwqKySnH_w
fern: "Why German Sounds So Aggressive", 2024-02-23 (127 days later) — https://www.youtube.com/watch?v=3YQd8ya3z-E
[3] Title only — Kriegsherr English: title formula "the Nazi Hitler feared"; thumbnail different. Historic People: thumbnail match, red background, colourised Heydrich face, red label, 28 days before fern.
Earlier: Kriegsherr English, "Reinhard Heydrich: The Man Even Hitler Feared", 2025-09-11, 14270 views — https://www.youtube.com/watch?v=V_CNcy9AR60
fern: "The Only Nazi Hitler Feared", 2026-02-15 (157 days later) — https://www.youtube.com/watch?v=VKXQnBlzqzs
[4] Strong — Kriegsherr English: title formula "the Nazi Hitler feared"; thumbnail different. Historic People: thumbnail match, red background, colourised Heydrich face, red label, 28 days before fern.
Earlier: Historic People, "Reinhard Heydrich - HITLER'S Most Evil Man | Full Documentary", 2026-01-18, 53387 views — https://www.youtube.com/watch?v=tYUyIQr081Q
fern: "The Only Nazi Hitler Feared", 2026-02-15 (28 days later) — https://www.youtube.com/watch?v=VKXQnBlzqzs
[5] Same motif — Globe showing Africa with the caption "NEW OCEAN". Same motif in "Did you know?", 30 Jan 2021.
Earlier: BRIGHT SIDE, "A New Ocean Is Forming Under Your Feet Right Now", 2020-12-10, 1912644 views — https://www.youtube.com/watch?v=Meja2sZC6LY
fern: "A New Ocean Is Forming in Africa", 2024-10-25 (1415 days later) — https://www.youtube.com/watch?v=DOuebgxPrXE
[6] Same motif — Cutaway ship lifting a submarine from the seabed. Same motif in Dark Docs, 13 Feb 2018.
Earlier: The Infographics Show, "Incredible Way the CIA Stole a Russian Submarine", 2020-01-10, 4328490 views — https://www.youtube.com/watch?v=3SttYTYYLuk
fern: "How the CIA Stole a Russian Submarine", 2024-08-14 (1678 days later) — https://www.youtube.com/watch?v=yGsVo0uIJVs
[7] Same motif — Teenage hacker in a red hoodie on a dark background.
Earlier: The TWS Channel, "The Boy Who Hacked NASA : The Tragic Life of Jonathan James", 2022-09-04, 1739487 views — https://www.youtube.com/watch?v=y8S_UIxHzH4
fern: "The Kid Who Hacked the Pentagon (and paid with his life)", 2025-07-22 (1052 days later) — https://www.youtube.com/watch?v=I1rzcZWTIjo
[8] Same motif — Face on the left, photo of the island with people, text label.
Earlier: Joe Bartolozzi, "NEVER Go To North Sentinel Island.", 2023-07-11, 2925190 views — https://www.youtube.com/watch?v=3b19PeRtjzY
fern: "Why You Should Never Go to North Sentinel Island", 2025-08-24 (775 days later) — https://www.youtube.com/watch?v=_JPyhs6-0Gc
[9] Same motif — Close-up of an insect on tree bark.
Earlier: The New York Times, "The Animals of Chernobyl | The New York Times", 2014-05-06, 12378489 views — https://www.youtube.com/watch?v=TG-nwQBBfmc
fern: "The Mutated Animals of Chernobyl", 2025-10-12 (4177 days later) — https://www.youtube.com/watch?v=j4OKo0VpoeM
[10] Same motif — 
Earlier: How to Survive Show, "Why He Didn't Survive North Korea: The Otto Warmbier Tragedy", 2024-06-19, 6564307 views — https://www.youtube.com/watch?v=rmXBIUDiVyk
fern: "Why Otto Warmbier Didn't Survive North Korea", 2026-01-11 (571 days later) — https://www.youtube.com/watch?v=yXdzKqhEA9M
THE CORKBOARD CHAIN
[A] neo, "How the CIA Found Osama bin Laden", 16 Jan 2023 — corkboard, red string, pinned photograph, MOST WANTED — https://www.youtube.com/watch?v=WrX2QVJ2c3Q
[B] fern, "How Peter Thiel Is Destroying Democracy", 7 Dec 2025, description: "Title and Thumbnail for this one are inspired by Riverwand" — https://www.youtube.com/watch?v=TP7Z_Eqxhxk
Riverwand, "The Man Behind The American Oligarchy", 14 Feb 2025 — https://www.youtube.com/watch?v=riX2Ww80Ow0