* ArchivePanic: While it is impossible to tell how many new viewers have looked at the Vlogbrothers' 1000+ videos (and counting) and fled in fear, the potential is certainly there. Especially taking their [[http://www.youtube.com/user/truthorfail other]] [[http://www.youtube.com/user/hankgames YouTube]] [[http://www.youtube.com/user/theecogeek channels]] as well as non-Website/YouTube [[http://nerdfighters.ning.com/ websites]] into account. The volume really is massive.
* CrowningMusicOfAwesome: Pretty much all of Hank's songs, but some pretty notable ones include "Accio Deathly Hallows", "Book Eight", "People Who Love Giraffes", and "The Anglerfish Song".
* DeathOfTheAuthor: John is a strong proponent of this about his novels. They both feel this way about Nerdfighteria.
* EarWorm: Hank's songs. All of them.
** Also, [[http://www.youtube.com/watch?v=j9CjcQSbVb4&feature=g-all-u the "HITLER and SEX!" theme ]].
* FanDumb: Hank and John have occasionally called Nerdfighteria out for "hero-worshiping" them and putting them on a pedestal. A major theme present in their projects (especially in John's books) is "imagining people complexly" - remembering that your heroes are human beings, and not idealizing them.
** As [[http://www.youtube.com/watch?v=r4UF0F1yi14 this video]] gently points out, Nerdfighteria, although a very well-behaved community overall, isn't completely exempt from the problems that all fandoms run into. John and Hank are aware of this, and John discusses it in [[http://www.youtube.com/watch?v=Tnra9YsD4Cw this followup video]].
* HilariousInHindsight: In 2013, Hank released his annual Franchise/HarryPotter song- this one was called "Oh, JK Rowling", begging said author to please release another book or project. Barely a day later, and it came out that Rowling in fact ''had'', under the PenName Robert Galbraith.
* IncestSubtext: Not usually, but when Hank names his favorite part of John ([[spoiler:his right cheek]]), they mention the fanfiction they may very well have just inspired.
** Jokingly defied when the brothers are doing a joint video, and agree not to end it by saying good-bye, because that would require them turning to each other and staring into each other's eyes.
-->John: Not today, slash fiction writers!
-->Hank: [laughing]: No, not today!
* MemeticMutation: Adding "in my/your pants" to the ends of book titles, an idea originally thought of by Maureen Johnson.
** Puppy-sized elephants. And tiny chicken disease (in which tiny chickens lay eggs inside your nose, which hatch baby chickens that eat your brain and poop out of your nostrils. In other words, the common cold.)
** "Dude! No edge!"
** More recently, Hank trying to express frustration over ketchup bottles and self-checkout machines in a discreet manner: "[[{{Angrish}} Passive-agressive...robot...sack of...ketchup...pee!]] '''[[{{Angrish}} Gah!]]'''" It's even been turned into a T-shirt!
* MemeticBadass: The Swindon Town Swoodilypoopers. Specifically, Bald John Green and Other John Green (who is, at it happens, "'''SO STRONG'''").
* NightmareFuel: Most nerdfighters tend to agree that "Early Hank" (from the original Brotherhood 2.0 project) was fairly...terrifying. See: [[http://www.youtube.com/watch?v=PNPoDsxAXBw this video]]. (And no, the terror level in that video has ''[[SincerityMode nothing]]'' to do with the fact that Hank included two seconds of footage of earwax.)
** The video where Hank discusses his belief of God has the ending where he pretty much alters the video so he looks and sounds ''very demonic'' as he jokingly says he worships Darkness. Definitely a JumpScare.
** Hank's techno remix of footage of a goat giving birth.
* {{Squick}}: All the videos about giraffe and giant squid sex.

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