Lelsk was a female Bothan Rebel Alliance operative. She grew up with Leira as orphans on Nar Shaddaa before the latter was killed by Imperial forces. Lelsk worked as a Bothan Spynet operative with the codename Go Silent before subsequently joining the Alliance as an Infiltrator, and was dedicated to finding data about the Empire. She was assigned to Tivar II with Jaxon Brand to recruit and spy. When Rebel pilots were shot down, she joined the rescue operation.