Swamp Thing is one of DC Comics' most fascinating characters and titles. The scientist-turned-supernatural swamp creature has been a staple of darker DC stories since his creation via horror comics in the 70's. The character often ends up on teams consisting of other supernatural or horror-themed heroes, protects his swamp or other vegetative environments from super-powered threats, or yearns over his lost love.

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The stories that explore these themes are often trippy, metaphysical tales that balance the internal monologue of Swamp Thing with his ability to handle threats via brute force. As could be expected with such a specific and strange character, some of the best stories are the ones that don't focus on classic superhero fare at all, and instead use the themes and styles of retro "science gone wrong" horror.

10 House of Secrets #92

Swamp Thing's Creepy First Appearance

House of secrets 92 cover and interior Swamp Thing

Writers

Len Wein, Mark Evanier, Jack Kirby

Artists

Bernie Wrightson, Alan Weiss, Bill Draut

Year

1971

Like so many other Golden Age heroes and monsters, Swamp Thing made his first appearance in an anthology series before he had a series of his own. House of Secrets was a DC-produced horror series where each issue was a self-contained thriller story in the vein of Tales From the Crypt.

This issue starts as a semi-familiar mad science tale but eventually reaches the premise that the cover advertises, a large monster that is part man and part vegetation. It's a great singular read because it showcases Swamp Thing for the first time and doesn't fall onto a traditional comic book cliffhanger.

9 Swamp Thing #1: Dark Genesis

Swamp Thing's Solo Series Debut

Swamp Thing 1 cover and interior

Writer

Len Wein

Artist

Bernie Wrightson

Year

1972

While it isn't the best standalone comic on the list, it feels necessary, especially after House of Secrets, to include the first-ever issue of a Swamp Thing solo series. The issue retells the story from House of Secrets, making a handful of small changes and expanding the cast and conflict so that it can be stretched for much longer.

This is still a tale of science gone wrong, love lost, and a quest for revenge, but readers who want any closure will need to keep reading through the original '70s run to get it. The original run is peak early '70s monster comic action and just starting here and going forward would be just as efficient as jumping around, but regardless, this issue will provide a nice context and reference point for anything on this list that follows.

8 Swamp Thing #10: The Man Who Would Not Die

A Throwback Story of Zombies and Revenge

Swamp Thing #10: The Man Who Would Not Die

Writer

Len Wein

Artist

Bernie Wrightson

Year

1974

This issue is included in the original Swamp Thing run just mentioned, but also works on its own with only the context that Swamp Thing's longtime enemy Anton Arcane is back, in a spirit form after being destroyed earlier. He summons an army of horrifying creatures called the Unmen and wants to capture Swamp Thing.

The plan goes well until the Unmen corner Swamp Thing in a cemetery where zombies come up from the ground to help him. It's a classic macabre tale of ironic comeuppance.

7 Swamp Thing #53: Garden of Earthly Delights

Swamp Thing Faces Off With Gotham's Dark Knight

Swamp Thing #53: Garden of Earthly Delights

Writer

Alan Moore

Artist

Jon Totleben

Year

1986

Swamp Thing has had plenty of crossovers, even being a member of The Justice League Dark, but most of them aren't exactly fitting for a spooky evening read. However, his run-in with Batman is an epic encounter, while still feeling like a true-to-form Swamp Thing story.

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Swamp Thing comes to Gotham raging with anger and unleashes the full front of his physical power. As he grows to a towering size and begins to wreck Gotham, Batman has to step up to stop him or at least uncover why he is attacking the city.

6 Swamp Thing #140-150: Root of All Evil

A Psychedelic Trip Through Swamp Thing's Mind

Swamp Thing By Alan Moore

Writer

Grant Morrison, Mark Millar

Artist

Kim Demulder, Phil Hester

Year

2015

This run written in the 80's by Grant Morrison and Mark Millar was lost for a long time before finally being released in 2015. When scientist Alec Holland is separated from his Swamp Thing form, he must uncover if the creature ever existed, and if so, if he wants to find a way to become it again.

It's considered genuine psychological horror as large portions take place inside the mind of Holland and/or The Swamp Thing. It gets as dark and existential as a trip through a powerful monster's thoughts should, and includes a number of horrifying hallucinatory creatures as well.

5 Saga of The Swamp Thing #37-50: American Gothic

Classic Southern Horror, Swamp Thing Style

Saga of The Swamp Thing #37-50: American Gothic

Writer

Alan Moore

Artist

Jon Totleben, Rick Veitch

Year

1985

The first full story arc to make to the list, this run from Alan Moore's Saga series centers around Swamp Thing's first big team-up with occult detective John Constantine. Constantine does his best to turn Swamp Thing into his weapon against the creatures of evil, with varying levels of success.

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This arc is a great spooky read because it is set in the South and written to homage to old tales of gothic Southern horror. There are ghosts, an old West shootout, a classical werewolf, and more scary nonsense. Plus, various artists collaborated across the 13 issues to give the arc different a variety of tones.

4 Swamp Thing #34: Rite of Spring

The Definitive Swamp Thing Love Story Issue

Swamp Thing #34: Rite of Spring

Writer

Alan Moore

Artist

Jon Totleben, Steve Bissette

Year

1985

So many of Swamp Thing's stories are built around his relationship with the love of his life, Abby Arcane, and their inability to be together due to, well, him being The Swamp Thing. This issue is done in the vein of traditional horror romance and finally gives them the briefest chance at being together.

Abby comes to the swamp to finally confess her feelings for Swamp Thing, and he gives her a plant that he believes will allow them to form a real connection. This plant takes her on a trip, alongside Swamp Thing, giving her a small glance into his existential horror of an existence. It's beautifully drawn, romantic, and a bit upsetting all at the same time.

3 Swamp Thing Winter Special

A Standalone Suspense Story Filled With Heartbreak

Swamp Thing Winter Special Cover

Writer

Tom King

Artist

Jason Fabok

Year

2018

Winter Special is a recent addition to the character's collection and it isn't exactly a standard Swamp Thing story. Instead of a Louisiana swamp, the character is caught in the middle of a horrible blizzard, trudging through the snow, trying to regain the memory of how he got trapped there, and most importantly, trying to protect a young boy caught in the storm as well.

This story showcases how well writers have learned what characteristics make for a memorable Swamp Thing comic and how capable they are of transplanting those elements into a new setting. It has introspection, mystery, and a dark twist that makes the ending a great one.

2 Swamp Thing Annual #2: Down Among the Dead Men

Swamp Thing Goes to Hell

Swamp Thing Annual #2: Down Amongst the Dead Men

Writer

Alan Moore

Artist

Jon Totleben, Steve Bissette

Year

1985

If it isn't clear already, every Swamp Thing series juggles physical horror and deep introspection about existence and purpose. This leads to plenty of poetic issues full of deep thought, as well as just as many wacko plotlines that may not seem sensible outside of the context of the series.

This famous issue is built around the core conceit that Swamp Thing, to rescue the soul of his wife, must disconnect his subconscious from his physical body and transport it to Hell. Spoilers, but he does exactly that. The imagery of the Hell sequence is considered some of the most disturbing of any Swamp Thing issue and the ending, like so many others in the series, is a confusing mixture of melancholy, heroic success, and existential dread.

1 The Saga of The Swamp Thing #21: The Anatomy Lesson

Alan Moore Begins The Definitive Swamp Thing Run

The Saga of The Swamp Thing #21: The Anatomy Lesson
Writer Alan Moore
Artist Jon Totleben, Steve Bissette
Year 1984
In the same way that someone wanting classic comic book superhero horror could just read the original run instead of jumping around, anyone wanting to experience the Swamp Thing at what most consider his best, should just start here and read forward through the Alan Moore run. He is nearly always cited as the writer who best captured the horror and the grandiose mysticism of this bizarre being. Luckily, this issue works as yet another re-imagining of the character's origin, so readers can start with it. It is an eerie retelling with more disturbing art, and experimentation on every page as the artist breaks typical form and uses the layout of every page in inventive ways to create a feeling of claustrophobia and dread.
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