Scooti Manista

Scootori Manista was a 20-year-old trainee Maintenance Officer posted on Sanctuary Base 6. She discovered the possessed Toby Zed standing unharmed on the exposed surface of Krop Tor but, when she tried to report this, he psionically locked the doors, trapping her in one area, which he then opened to the elements, sending Scooti to her death in the vacuum of space. (DW: The Impossible Planet)

Earlier Life
When on the first few weeks of the Sanctuary Base 6 mission she was acutally called Cheena but when crew member Curt was possesed he wiped out her memory and became Scooti Manista.