These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Swamp Thing
Author's Saving Throw: The first arc of the fourth series is dedicated to undoing everything that occurred in Brian K. Vaughan's run.
Complete Monster: Anton Arcane. His worst crime: sending his own niece to be tortured in Hell. The runner-up: taking the form of her husband for a long period of time, going so far as to even sleep with her before doing so.
Batman: No exceptions, I see. In that case I suggest you start rounding up all the other non-human beings who may be having relationships outside their species.
Fanon Dis Continuity: People tend to view the series solely in terms of the Alan Moore run, which may partly be due to the fact that the rest of it has either never been collected in trade form or is otherwise notoriously difficult to find. It's generally accepted that the Wrightson-Wein run is pretty good, if much more straightforward and smaller in scope, while the Brian K. Vaughan run...isn't.
Moral Event Horizon: Swamp Thing's daughter Tefé burns through all audience sympathy when she enforces a Sadistic Choice on a man who started a forest fire.
My Real Daddy: Len Wein helped create Swamp Thing (and more), but Moore's complete rewrite of the character is the one that lasted.
Nightmare Fuel: Nukeface, introduced during Saga of the Swamp Thing #35? Very little information is given about the guy, which ultimately makes him more disturbing. And then there's the scene where Wallace Monroe, accidental "creator" of the nuclear vagrant, discovers his heavily pregnant, gentle and very religious wife actually found Nukeface out in the swamp and tried to keep him warm with her shared body warmth, resulting in him and the police with him backing away from the now heavily-irradiated woman, who has no idea why they're running from her and begging them to tell her what's going on...
Abby learns the reason her husband Matt Cable has become much more assertive, capable, and passionate: he's been possessed by her uncle, Anton Arcane. The fact that she'd unknowingly had sex with her evil uncle isn't the worst part. Matt was possessed willingly as he lay dying after a car accident.
Abby's reaction also belongs here: after increasingly hysterical attempts to wash herself clean of Matt/Anton's touch, she tries to scrape it off with a wire brush.
There's also the bit at the end of Moore's run on the series where a Corrupt Corporate Executive responsible for disrupting Swamp Thing's connection to the Green, effectively killing him for a while, makes the mistake of eating a sandwich with lettuce as Swamp Thing's consciousness returns to Earth.
The stories set in Hell is more than a little frightening. We have Anton Arcane's torment mentioned down below but beyond that, we see corpses impaled on giant hypothermic needles, nasty demons that go far beyond the more traditional descriptions, mutilations, rape, and more.
