Fahren Jaj, who was also called the Laughing Lord, was a Sith of the female persuasion. She belonged to the Infernal Council, which consisted of Sith who had been enslaved by Soa, the Rakata warlord. She was imprisoned alongside him within the Eternity Vault located on the planet of Belsavis.
The character of Fahren Jaj, known as the Laughing Lord, was initially featured in the Operation called "The Eternity Vault" within Star Wars: The Old Republic. This massively multiplayer online roleplaying video game was launched in 2011 by BioWare and LucasArts.