The Space Girl, also known as the female space vampire, is the main antagonist of Sci-fi/Horror film Lifeforce.
Space Girl (Lifeforce)
The X-Files
for The X-Files in If this Character was in...
Suggested by sonofcelluloid
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.
