General Sky Falls in Thunder was a female General in the Systems Commonwealth High Guard Lancer Corps. Very little is known about her except that she was renowned for her tactical skills. Judging by her name, she was a Than-Thre-Kull. She was apparently killed during the Battle of Herodotus. ("The Mathematics of Tears")
- The name refers to how the planet was destroyed. The "thunder" of the Exotic Matter Pulsar fell from the sky.