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1. Loonatics Unleashed: The Nightmare Returns by MarcCaliber17

   Fandoms: Loonatics Unleashed, The Strange Case of Dr. Jekyll and Mr. Hyde - Robert Louis Stevenson  

   • Mature
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence, Major Character Death
   • F/M, M/M
   • Work in Progress

   26 Feb 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Major Character Death
   • Ace Bunny/Lexi Bunny (Loonatics Unleashed)
   • Tech E. Coyote & Rev Runner
   • Tech E. Coyote/Rev Runner
   • Ace Bunny (Loonatics Unleashed)
   • Lexi Bunny (Loonatics Unleashed)
   • Danger Duck (Loonatics Unleashed)
   • Slam Tasmanian
   • Tech E. Coyote (Loonatics Unleashed)
   • Rev Runner
   • Drake Sypher
   • Mallory Casey | Mastermind
   • Massive (Loonatics Unleashed)
   • Body Horror
   • Psychological Horror
   • Possession
   • Mind Control
   • Torture
   • Implied/Referenced Homophobia
   • Implied/Referenced Murder
   • Trauma
   • Blood and Gore
   • Transformation
   • Hurt/Comfort
   • Established Relationship

   Summary

   After the events of defeating Ethan Hyde, the Loonatics now face off against an old rival, Sypher. Only, he didn't come alone, and they have a sinister plan to exact their revenge on our heroes. Meanwhile, Rev is humiliated when his secret crush is revealed and runs away, believing his friends would not accept him, especially Tech, his secret crush.

   Loonatics Unleashed belongs to Warner Bros.
   The Dr. Jekyll and Mr. Hyde theme is based on the original novel by Robert Louis Stevenson

   Warning: This fic contains graphic violence, major character death (with resurrection), body horror, psychological horror, possession, and other dark themes. Please read tags carefully.

   Series

   • Part 3 of Loonatics Unleashed Fanfiction by MarcCaliber17

   Language:

   English

   Words:

   28,351

   Chapters:

   4/?

   Kudos:

   3

   Bookmarks:

   1

   Hits:

   23