Nen Yim was a Yuuzhan Vong scientist and shaper in several The New Jedi Order Legends novels. At one point Nen Yim experimented on and brainwashed Jedi Knight Tahiri Veila.
Nen Kim debuted in the novel The New Jedi Order: Edge of Victory I: Conquest.
If you’re unfamiliar with the Yuuzhan Vong check out this video from Star Wars Explained.
Read more about Nem Yim’s story on her Wookieepedia page.
Check out the entire list of women in 365 Days of Star Wars Women in the Women in Star Wars Index. It includes highlights from each post plus notes which posts include new 365 interviews with actresses, writers, artists, and more.