Hafun was to be the son of the two monsters that fought Godzilla in the film, Redmoon and Erabus. According to the film's plot, the monster was killed by the JSDF, causing it's parents to become enraged and attack Japan. It's appearance is not well defined but appears to be a humanoid creature, much like Erabus.
|Unmade Monsters and Stories|
|Unmade Monsters||Ghost Godzilla | Deutalios | Dogolas | Erabus | Fire Lion | Gigamoth | Gryphon | Hafun | Hitodah | Lightning Bug | Majin Tuol | Mogu | Redmoon | The Visitor | Titans | Nessie | Unused Monsters|
|Unmade Stories||Mothra vs. Bagan | Bagan Vs. Godzilla | Godzilla X Varan, Baragon and Anguirus: Giant Monsters All-Out Attack | Godzilla vs. Gigamoth | Godzilla vs. Wolfman | Bagan vs. Godzilla | The Return of Godzilla (1st draft) | Godzilla and the Lost Continent | The Return of King Ghidorah (Showa) | The Return of King Ghidorah (Heisei) | Godzilla vs. Uchujin | Godzilla vs. Batman | Godzilla vs. Frankenstein | Godzilla 3D to the MAX|
|Unreleased Games||Godzilla: Destroy All Monsters|