!!The comic:
* WhatCouldHaveBeen: ChinaMieville's aborted [[http://www.swampthingroots.com/news_06-03-10_china-mieville-hints-at-his-swamp-thing-run.html run]]

!!The films:
* ActorSwap: Original plan was to have Ray Wise as both Dr. Holland and Swamp Thing, with Dick Durock as his stunt double. But the two men ended up looking drastically different from each other as Swamp Thing, so Wise plays Holland and Durock plays Swamp Thing.
* HeyItsThatGuy: Heather Locklear as Abby in the second film.