Treestache

"Stick me in your pipe and smoke it."

- 's unlock message

 is a limited-time premium NPC that was released on September 27, 2017, as part of The Serfsons Promotional. It is unlocked upon the placement of Treestache's Grove. Later it became a part of Treehouse of Horror XXVIII Event, it could be bought for 60.

It returned on October 3, 2018 during the Treehouse of Horror XXIX Event as a possible prize in the Magical Mystery Box.

Releasing Prizes
Captured and enchanted can be released from Treestache's Grove and after 4 hours, player gets: and one of these three decorations: These decorations are not unique, player can obtain them repetedly.
 * 100, 20 (Act 1)
 * 100, 40 (Act 2)
 * 100, 80 (Act 3)
 * Tree (three different types)
 * Shrub
 * Small Island

Trivia

 * From Season 29, Episode 1 “The Serfsons”.
 * It is the only character in The Serfsons character collection who is not a costume.
 * It is the second NPC to come with an item, the first is Goosius.
 * He is a character whose unlock image appears next to an animal (a pigeon in his case). Some others are Cletus, Crazy Cat Lady, J. Rigellian Christ, Crazy Iguana Lady, Magic Act Milhouse, Pharaoh Skinner, and the Great Raymondo.