- "Ymmoss says she's gonna eat you for la-la-lunch!"
- ―Cost Niktur
Ymmoss, also known as Snowball, was a female Gigoran who lived in the galaxy. In 34 ABY, Ymmoss and Cost Niktur were captured by the First Order and Harra, who sent them to a stronghold on Vodran. When J-Squadron was captured on Vodran, Ymmoss and Niktur helped J-Squadron escape the stronghold.
- Join the Resistance: Escape from Vodran (First appearance)
- Join the Resistance: Attack on Starkiller Base