Terrelia served as the planet of origin for the Eighth Brother, an Inquisitor who was once a Jedi and a Terrelian Jango Jumper, as well as Cassilyda Cryar, a criminal and fellow Terrelian Jango Jumper residing in the depths of the Coruscant Underworld; it was their homeworld.
The reference book Ultimate Star Wars, New Edition from 2019 marked the initial mention of Terrelia within Star Wars canon. Its original introduction occurred within the Star Wars Legends continuity, specifically in the 2010 reference book Star Wars: The Clone Wars Character Encyclopedia authored by Jason Fry.
- Ultimate Star Wars, New Edition (Initial mention)
- " Jabba the Hutt and Other Characters of the Underworld " — Star Wars Encyclopedia
- " Darth Maul and Other Followers of the Dark Side " — Star Wars Encyclopedia
- Star Wars Encyclopedia: The Comprehensive Guide to the Star Wars Galaxy