Longmont Potion Castle

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Longmont Potion Castle
GenresComedy, prank phone calls, surrealism, thrash metal
Digitech RDS 8000
Electric guitar
Years active1986–present
LabelsBurger Records
DU Records
Reptilian Records
Insides Music
Post Replica Records
Vinyl Communications

Longmont Potion Castle (born 1972)[1] is the pseudonym of an anonymous surrealist prank caller active in Colorado and the Los Angeles areas since 1986.[2] Details about his personal life are scarce, and his real name is unknown to the public. Over the years, his mostly self-released albums have gained a cult following, notably among musicians.[3][4]


Longmont Potion Castle started recording "experimental, collage, prank call albums"[5] while he was attending Columbine High School.[6] The LA Record describes Longmont Potion Castle's albums as unlike those that most people associate with prank telephone calls, citing that his demeanor is nothing at all like that of The Jerky Boys and Crank Yankers and is actually closer to that of the alternative comedian Neil Hamburger.[7] In a review from the Denver Westword, LPC's recordings are described as advancing "absurdity as an art form."[8] Actor Rainn Wilson, a fan of LPC, has compared his work to "The Marx Brothers at their greatest. There’s a surreal aspect, as if Salvador Dali were doing prank phone calls.”[9]

The anonymous artist has himself described the albums he has made as "phone work" or "absurdist" art rather than the less sophisticated label of "prank phone calls",[1] and has also said, "They may be dumb, but they're not stupid".[1] Those on the receiving end of a Longmont Potion Castle call are often left confused and/or extremely angry, as the calls frequently involve complaints about noise, requests for money or offers to "whoop" somebody. However, his calls are rarely very mean-spirited in nature. His recordings combine prank calls with sound collages and his own musical compositions, the majority of which are thrash metal instrumentals. Occasionally, Longmont Potion Castle filters his voice through a Digitech RDS 8000 rack-mounted digital delay unit to produce odd sound effects, thus making whomever he has called even more confused.[3]

In 2006, Longmont Potion Castle announced his retirement. In an interview with The Nerve Magazine, he explained that the box set Longbox Option Package would be the final LPC release.[10] However, in 2008 he released a new CD, Longmont Potion Castle Volume 6. In 2009, he released Volume 7 (not to be confused with his 2005 album of the same name released as a part of the Longbox Option Package box set, a disc that contained only thrash metal music). The album featured several celebrity calls, including ones to singer Eddie Money, Jeopardy! host Alex Trebek,[11] and guitarist Rick Derringer. January 2011 saw the release of LPC 8, in which the artist primarily used Skype on a laptop computer to record the calls.

In 2016, a crowdfunded documentary on Longmont Potion Castle entitled Where in the Hell is the Lavender House? was announced. It was released to select screenings and film festivals in 2019, and received a wider release in 2020.

Longmont Potion Castle had a brief cameo in the 2018 psychological thriller film Cam as a phone operator.



  • Subliminal Propaganda (also known as Longmont Potion Castle) (1986)
  • Longmont Potion Castle II (1992)
  • Longmont Potion Castle III (1995)
  • Longmont Potion Castle Volume 4 (2001)
  • Late-Eighties-Vein (2003)
  • Longmont Potion Castle 5 (2005)
  • Longmont Potion Castle Volume 6 (2008)
  • Longmont Potion Castle 7 (2009)
  • Longmont Potion Castle 8 (2011)
  • Longmont Potion Castle 9 (2012)
  • Longmont Potion Castle 10 (2013)
  • Longmont Potion Castle 11 (2014)
  • Longmont Potion Castle 12 (2015)
  • Longmont Potion Castle 13 (2017)
  • Longmont Potion Castle 14 (2017)
  • Longmont Potion Castle 15 (2018)
  • Where in the Hell is the Lavender House? Soundtrack (2018)
  • Longmont Potion Castle 16 (2019)
  • Tour Line Live (2019)
  • Longmont Potion Castle 17 (2020)
  • Longmont Potion Castle 18 (2021)


  • Best of Longmont Potion Castle – Volume 1 (1996)
  • Best of Longmont Potion Castle – Volume 2 (1997)
  • Longbox Option Package (2006) Includes volumes 1–5, Late Eighties Vein, Bonus Disc and Bonus DVD
  • Longmont Potion Castle Tributes (2010)
  • Ultimate Session Bundle (2014) Included virtually every track and video ever produced on a USB thumb drive, included a T-shirt with every album cover as well as a vinyl record. Limited to 50 units total. All 50 sold on first day of availability.
  • Official Compact Discography (2016) Included virtually every track and video ever produced in a collector's box, on 24 CDs and 2 DVDs, included a T-shirt, as well as a detailed booklet. Limited to 25 units total. All 25 sold on first day of availability.

Collaborative releases[edit]

  • Longmont Potion Castle/Hatebeak split 7" (2004)
  • The Albert Lerner Trio/Longmont Potion Castle split double LP (2016)


  • Live From Longmont Potion Castle VHS (1998)


  1. ^ a b c Prindle, Mark. "Longmont Potion Castle – 2003". markprindle.com. Retrieved 2008-07-14. CS1 maint: discouraged parameter (link)
  2. ^ Hufnagel, Kevin. "Longmont Potion Castle". Dysrhythmia Official Homepage. Retrieved 2008-05-20. CS1 maint: discouraged parameter (link)
  3. ^ a b Ferguson, Kevin. "LONGMONT POTION CASTLE: THEY HAD TO PLEASE ME". LA Record. Retrieved 2008-05-21. CS1 maint: discouraged parameter (link)
  4. ^ Noisecreep article: "Dysrhythmia's Touring Essentials: Longmont Potion Castle, Paul Stanley."
  5. ^ Corez, Kevin. "Longmont Potion Castle: Prank Calls from Another Universe". Mass Appeal. Archived from the original on 2018-01-17. Retrieved 2021-03-07. CS1 maint: discouraged parameter (link)
  6. ^ "Longmont Potion Castle". Retrieved 2021-03-07. CS1 maint: discouraged parameter (link).
  7. ^ Kellerman, Harry. "LONGMONT POTION CASTLE @ SAFARI SAM'S". LA Record. Retrieved 2008-05-20. CS1 maint: discouraged parameter (link)
  8. ^ La Briola, John. "Denver – Music – Sound Bites". Denver Westword. Retrieved 2008-05-20. CS1 maint: discouraged parameter (link)
  9. ^ Colorado Public Radio article: "Prank Phone Calls Aren’t Dead. Longmont Potion Castle Kept Them Alive In The Cult Underground".
  10. ^ Gordon, Cameron. "Longmont Potion Castle". The Nerve Magazine. Retrieved 2008-05-20. CS1 maint: discouraged parameter (link)
  11. ^ "An Interview with the Voice Behind Longmont Potion Castle, One of the Best Cult Prank Callers of the Last Three Decades – Noisey". Noisey. Retrieved 2017-02-02.

External links[edit]