Keyhole

Keyhole was a strong ally of Bill Cipher and participated in Weirdmageddon. He was one of the longest-lived locksmith demons in existence. He was killed by Alcor approximately 30 years after the death of Bill Cipher.

Keyhole
Alias	Keyhole
Died	2042
Species	Demon
Pronouns	He/Him

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Appearence

Keyhole’s skin is a mottled blue. His head is massively tall, and has a hole shaped like a lock in the middle of it.

History

Keyhole had allied himself with Bill Cipher before the Transcendence, in a ploy to take over a stable dimension. After Bill’s defeat caused the Transcendence, Keyhole and the other Henchmaniacs were trapped in a part of the mindscape for approximately thirty years before Alcor found and killed many of them. He was the last remaining Locksmith demon, a particular subclass that had slowly been dying out for centuries before the Transcendence.

Powers

Like all locksmith demons, Keyhole has the ability to jump in and out of a personal pocket dimension attached to his being.

Trivia

• His claws are shaped as broken keys
• He has a brand to signify his loyalty to Bill Cipher

References

1. biplet “Portal Fantasy” (2023) [Archive of Our Own] (Ch20) https://archiveofourown.org/works/44818051/chapters/207680956
2. biplet “On Locksmith Demons” (2026) [Archive of Our Own] https://www.tumblr.com/biplet/808211517050863616/on-locksmith-demons?source=share