YMMV / Interface

• Aluminum Christmas Trees: The phrase "Secure Beneath the Watchful Eyes" is taken from a real poster issued by Transport for London.
• Big-Lipped Alligator Moment: As dazzling as the scene with Henryk and the ghost is in "The Winds," even by the standards of the series, it comes out of nowhere and vanishes just as fast. The only implicit explanation we get is that the ghost is another being of Cerebral Electricity (the same kind Mr. Greetings is persecuting) but the scene leaves more questions than answers: who is the ghost? What is it? Who or what is it searching for? None of these are addressed in the end; the ghost is never mentioned again, leaving it as a peculiar One-Scene Wonder.
• Funny Moments:
  • Mischief appearing in Henryk's hospital room window in the form of a bird and saying "tweet tweet tweet! I'm trying to be a bird. I haven't quite figured it out yet…" which causes Henryk to crack a smile.
  • Mischief slurping down a noodle.
• Harsher in Hindsight: Not technically in the series itself, but the otherwise hilarious "Stranger Danger" has Mischief warn Georgie not to believe in vaccination misinformation—"we don't want another epidemic on our hands!" This was produced just two years before COVID-19 broke out, causing a whole new crop of anti-vaccination nuts to pop up.
• Magnificent Bastard:
  • Mischief is a shapeshifting, self-proclaimed parasite of Cerebral Electricity who serves as the story's main expositor. His ascension into power following the Philadelphia Experiment tampered with by being shot down into the ocean, Mischief rose again to travel the globe and devour Cerebral Electricity and empower himself further. Teaming up with Henryk to find the man's lost great-granddaughter, Mischief uses his powers to transport Henryk, protects him from Greetings Corporation, and waxes philosophical about the meaning of the life the whole way. Eventually facing down and destroying both KAMI and the Greetings' homunculus, Mischief allows himself to be consumed by the latter so as to devour it from the inside, the final montage implying that Mischief has finally ascended to godhood and has gained his greatest wish to consume "all that perish."
  • The mysterious "Ghost" that has been protecting Henryk's great-granddaughter is, in fact, Henryk's daughter reincarnated as a being of Cerebral Electricity. Devoted to protecting her family no matter what, when the cerebral parasite "Mischief" came to reap the cerebral energy of Henryk's Bungled Suicide and the subsequent death of his entire family in a car accident, the Ghost intervened. Saving Henryk's great-granddaughter, the Ghost promises Mischief the cerebral electricity of "all who perish" so long as he protects and guides Henryk toward his granddaughter again. Through this, the Ghost is responsible for setting up the Long Game that reunites Henryk with his remaining family, dismantles Greeting Corporations, and possibly even ascends Mischief into a godlike entity, all for the sake of her family's happiness.
• Nightmare Fuel: Joseph Greetings witnessing the full horror of the Philadelphia Experiment.
• Ugly Cute: Mischief's default form is an undulating, serpentine Monster Clown thing, but his Cloudcuckoolander personality and fondness for odd jokes make him more endearing than creepy, especially when he tries shapeshifting into creatures like birds and frogs.

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