Resident Evil 6
A devoted virus and B.O.W. (Bio-Organic Weapon) researcher operating under Simmons, and the discoverer of the C-Virus.
Carla idolized Simmons who in turn held her work in high regard, although his obsession with Ada would lead him to inject Carla with the C-Virus in order to produce a perfect replica of Ada.
In revenge, Carla secretly founded Neo Umbrella and strengthened the C-Virus, plotting to destroy the entire world.