Night-crawler

The Night-Crawler was a creature of Wookiee legend. It was beleived by the Wookiees, that this creature lived at the bottom of the deep forest and that it would drink the blood and spirit of it's prey. It was said that those who had not honored their debts sank to the bottom and prowled there, ready and waiting to trap and kill anyone who came near them.

Behind the Scenes
Due to the description of this creature, it's possible it was a Terentek and could be retconned as such.