Massif was a diminutive, Force-sensitive humanoid member of the Knights of Ren during the reign of the Galactic Empire. Sometime after the defeat of the Hutt Clan in the Jekara system, Massif was present alongside the other Knights and several other individuals on the criminal syndicate Crimson Dawn's flagship, the Vermillion.
Massif first appeared, albiet unidentified, in War of the Bounty Hunters 5, the fifth issue of the comic book miniseries Star Wars: War of the Bounty Hunters, written by Charles Soule. The character was later identified in the fourth issue of the Star Wars: Crimson Reign miniseries.
- Star Wars: Dawn of Rebellion: The Visual Guide
- "Who's the Boss?" — Star Wars Insider 224