Legends lore suggests Maul's tattoos were part of Sidious' torturous Sith training.

According to the novel ‘Star Wars: Darth Plagueis’ - now part of ... Furthermore, she wanted to hide him from Mother Talzin, the leader of the coven, who had no good in store for him.

Jar Jar often appears in some of Star Wars: The Clone Wars' filler episodes ... uncovering a plot by Mother Talzin, a witch from Dathomir. They manage to rescue the kidnapped leaders and defeat ...