Marsa'cnnundo'lon, commonly known as and called Marsa, was a Chiss female in service of Imperial Intelligence during the Cold War between the Galactic Republic and the Sith Empire. Born with a mind faster and more knowledgable than a computer, Marsa went on to become a Watcher Agent in Imperial Intelligence, tasked with managing information and guiding the field agents, known as Cipher Agents, through their missions.