Weridest thing to happen in Gravity Falls so far?

There have been a TON of creepy and weird stuff in Gravity Falls so far but what do you think derserves the title of being most weirded out creppy thing in Gravity Falls?  Was it Electron Carpet, The Bottomless Pit, Summerween Trickster, Wax figures that come alive, Gremlinoblin, or The Gobbblewonker?