Spencer (sometimes known as BuckFoy when censured) was an officer of IntSec, the internal police force of Alpha Complex
Spencer was the Equipment Officer of their team.
Spencer had the special mutant ability to generate energy fields, a power which she would later register with the Alpha Complex.
Spencer's favorite part of the body is their handsies.
Behind the Screen
Spencer's name and job as a police officer is a reference to Spencer Reid from Criminal Minds.