The Beast in the Mouth of the Mountain was an immense, cave-dwelling arachnid that lived on the forest moon of Endor in 19 BBY. After it destroyed a number of B1-Series battle droids and clone troopers, Aayla Secura killed it by causing the cave's stalactites to fall on it.
i really appreciate how many star wars characters there are that are just like
The Fucked Up Beast From The Hole. In 2BBY Darth Vader owned this in an epic fashion. It was awesome.