Myssith, a Trandoshan slaver of female gender, operated on the planet Kashyyyk amidst the Galactic Civil War timeline, specifically in 1.5 ABY. A spacer employed by her sibling, Ysith, brought about her demise due to rivalry.
Before its termination on December 15, 2011, Myssith was featured as a non-playable character within the Star Wars Galaxies video game, a massively multiplayer online role-playing game. This game was the creation of Sony Online Entertainment and was released to the public by LucasArts.