Because Wilford Brimley did not get along with directors Jim Wheat and Ken Wheat, his scenes were directed by production designer Joe Johnston.
According to an interview with Warwick Davis, a second sequel known only by the working title "Ewoks III" was in the planning stages not too long after Ewoks: The Battle for Endor. The film however never got made.
Though made for TV, actually got a short theatrical run in Germany.
Charal is a Nightsister. The Nightsisters are a sect of Sith witches from the mysterious planet Dathomir that were sensitive to the dark side of the force. They made their first appearance in Dave Wolverton's book, The Courtship of Prinsess Leia and would later appear in the comic series Star Wars: Infinity's End. They had dealings with Count Dooku and appeared in the 3rd season of "Star Wars: The Clone Wars."
The Marauder's pack animals, known as Blurrgs, were based on unused concept art by Phil Tippett originally developed for the Tauntauns from Star Wars: Episode V - The Empire Strikes Back (1980). The Blurrgs were seen again on the planet Ryloth in Liberty on Ryloth (2009) and Hera's Heroes (2016) as well as being featured in Chapter 1: The Mandalorian (2019).