Gjaddia, a Human of the male variety, held a position at Just Armor. This establishment, situated within the marketplace of the space station known as StarForge Station, dealt in both individual armor and protective plating for starship. Around the year 0 ABY, Gjaddia functioned as the business operator for the shop, while his Human colleague, Morol, handled the tasks of armor adjustment and restoration.
The character of Gjaddia was featured in Preparing for War, an adventure module released in 1998 as part of The Far Orbit Project. This publication served as an enhancement for Star Wars: The Roleplaying Game, produced by West End Games, and was created by Timothy S. O'Brien.