(Adding categories)
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|dislikes = People ignoring him.
|dislikes = People ignoring him.
|weapons =
|weapons =
|fate = Sucked back into the nightmare realm
|fate = Sucked back into the Nightmare Realm
|quote = "Anybody wanna get in my mouth?"
|quote = "Anybody wanna get in my mouth?"

Revision as of 01:18, March 10, 2016

The Horrifying Sweaty One-Armed Monstrosity[2] is a creature who appears during the event of Weirdmageddon.


In "Weirdmageddon Part 1," The Horrifying Sweaty One-Armed Monstrosity encounters Dipper as he attempts to break in to the Gravity Falls Mall in search of his friends. He demands that Dipper climb into his mouth, which Dipper ignores in terror, much to the monstrosity's frustration. He later appears when Wendy and Dipper are trying to avoid Gideon and his henchmen, where he eats one of the Discount Auto Mart Warriors. He also appears during the episode's end credits, still desperately trying to convince anyone to climb in his mouth. He finally gives up and leaves the screen announcing that he needs to call his mother.

While Weirdmageddon was being reversed in "Weirdmageddon 3: Take Back The Falls", he was sucked back to the nightmare realm.


The Horrifyng Sweaty One-Armed Monstrosity appearance

He consists of a gigantic man's head, with a round nose, a five o'-clock shadow, thick red eyebrows, and red hair on his temples. Attached to the top of his head is a muscular arm which he uses to drag himself around.


Season 2


"Anybody wanna get in my mouth? I'm a big mo—hungry monster—I'm a big hungry monster here! I would really appreciate it, if someone—you, ma'am, you ma'am, how would you like to get in my—"
—The Horrifying Sweaty One-Armed Monstrosity during the end credits[source]


  • Louis C.K., the creature's voice actor, improvised most of his role during the end credit scene of "Weirdmageddon Part 1" where he says, "I gotta call my mother." In fact, there is nearly 30 minutes of him improvising different ways the monstrosity could beg someone to get into his mouth.[3]


  1. The monstrosity's character model
  2. The monstrosity's name in end credits
  3. Exclusive: Gravity Falls Creator Alex Hirsch on Weirdmageddon, Part 1 (HTML). Disney insider. Retrieved on October 28, 2015. “...We have nearly 30 minutes of just him improvising different ways a monster could beg someone to get into his mouth.”

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