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Villain Overview

Now meet the gang of inter-dimensional criminals and nightmares I call my friends! 8 Ball! Kryptos! The being whose name must never be said! Haha, what the heck; it's Zanthar! Then of course there's also Teeth, Keyhole, Hectorgon, Amorphous Shape, Pyronica, Paci-Fire, and these guys! This is our town now, boys!
~ Bill introducing the Henchmaniacs

The Henchmaniacs are the final antagonists of the Disney animated series Gravity Falls. They are inter-dimensional criminals from various dimensions and Bill Cipher's minions in the Nightmare Realm who seek to escape it and invade the Third Dimension.



Kryptos is similar to Bill, as in Kryptos is also a floating shape with black limbs. However, it is a navy rhombus, and the top perimeter of its shape resembles a compass, with a functioning eye at the turning point, and the bottom perimeter resembles a square ruler, which is a widely known symbol of the Freemasons. Additionally, Kryptos has a big wide mouth with buck teeth, wears black gloves, and has a small light blue aura.

8 Ball

8 Ball is green, with a white chest and stomach, and has a muscular upper body. He has large ears, a prominent underbite and large teeth. 8 Ball's eyes are magic 8-balls which usually are pointed in different directions. The being has cuffs around its right wrist and ankle, with a small segment of broken chain dangling from them.


Hectorgon is a red hexagonal demon with arms, big tangerine orange lips, a mustache, a bowler hat with a gold rim (light blue in this picture), and a light blue tie. Hectorgon has a small red aura.


Keyhole has an aqua blue humanoid body with a forehead that resembles a keyhole. Keyhole has a darker shade of blue around his eyes, a pink nose, and a small blue aura.


Xanthar is a giant purple demon who walks on all four of his ape-like legs, and has no visible face. In place of his face is a lavender patch much like a loaf of sliced bread. He has small trees growing out of his back and shoulders, and he wears a blue and purple party hat with a yellow ball on top. Xanthar's body is shaped like a cube.


Pyronica is a pink glowing demon with short pink hair, bangs parted across her face, and several small horns across her skull, in between her two other big curved horns. Pyronica has one eye, just above her wide mouth and thick lips, that hide her buck teeth and fangs. Pyronica has a slim humanoid body, and her limbs are made of white flames. Pyronica wears a long pink cape and pink stiletto pumps.

Lava Lamp Shaped Creature

The Lava Lamp Shaped Creature resembles a cylindrical lava lamp full of yellow liquid and orange bubbles. It has two dark orange and red lava blobs shaped like eyes and a large jagged opening under them that looks like a mouth. The top looks like a black bowler hat with a dark red band around it.



Eons before the events of the series, Kryptos, 8 Ball, Amorphous Shape, Hectorgon, Keyhole, Xanthar, Paci-Fire, Pyronica, and Teeth commited crimes before being called together by Bill Cipher.

Season 2

In "Weirdmageddon Part 1", Bill introduces the Henchmaniacs to the residents of Gravity Falls. Afterwards, on Main Street, the demons watch Bill turn Ford into a golden statue and taunt Dipper before burning the journals. Later in the episode, they are seen playing "Spin the Person" and enjoying the "V.I.P." party Bill is having at the Fearamid. Until Time Baby and the Time Police invaded the Fearamid, but to the demons' delight Bill vaporizes Time Baby and his squadron except Blendin Blandin. The party then continues as the demons rejoice over Time Baby's presumed death.

In "Weirdmageddon 2: Escape From Reality", the Henchmaniacs attempt to leave Gravity Falls and spread their chaos across the world, but are stopped by an invisible barrier which makes Bill considers getting Ford 'out of retirement'.

In "Weirdmageddon 3: Take Back The Falls", the Henchmaniacs attacked the Shacktron during the giant monster fight. But was defeated by the Shacktron. They were sucked back to the nightmare realm following Bill's defeat.


  • Kryptos
  • 8 Ball
  • Amorphous Shape
  • Hectorgon
  • Keyhole
  • Xanthar
  • Paci-Fire
  • Pyronica
  • Teeth
  • Lava Lamp Shaped Creature


  • Due to his appearance, it was speculated that Kryptos is also a Dream Demon like Bill.
  • 8 Ball makes a cameo appearance in Rick and Morty's episode "Rest and Ricklaxation". He can be seen lying between all the snot in the toxic world.
  • Xanthar's alias, "The Being Whose Name Must Never Be Said", is likely a nod to Lord Voldemort's alias, "He-Who-Must-Not-Be-Named".

External Links


           Gravity Falls logo.png Villains

Bill Cipher | Jeff | Gnomes | Wax Figures | Rumble McSkirmish | Summerween Trickster | Gremloblin | Island Head Beast | Zombie Horde | Shape Shifter | Lilliputtians | .GIFfany | Hand Witch | Clay Monsters | Probabilitor the Annoying | Darlene | Henchmaniacs | Eye-Bats | Horrifying Sweaty One-Armed Monstrosity | Dippy Fresh | Mr. Whats-His-Face

Li'l Gideon | Stanley Pines | Fiddleford McGucket | Ma & Pa Duskerton | Blind Ivan | Blind Eye Society | Lumberjack Ghost | Nathaniel Northwest | Preston Northwest | Priscilla Northwest | Agents Powers and Trigger

Blendin Blandin | Time Baby | Purple Spy | Anti-Mabel