Another critter the Champions fought was a farastu (tarry) demodand. That's the scrawny little critter on the left. Four of 'em exploded outta some zombies. Not much of a challenge, but sure evokes some nasty imagery, very Dead Alive.
Not a big fan of demodand, just kinda feel stuck on, because they needed neutral evil demon/devils. They excrete yuckiness, and in the farastu's case, it is tar. This tar makes weapons stick to them unless a relatively easy save is made, all saves were made so I couldn't use these scummy little boogers to take away some weapons.
In second edition, when they didn't want to call fiendish critters demons and devils, they changed demodand's name to ghereleth's. The decision to try to disguise demons and devils always pissed me off. In a weird way, the belief that D&D was devil worship gave it a little more credibility. Something you might play with metal heads, instead of a hobby exclusively enjoyed by dorks.