Nicholls

 was a person who possessed a sonic scream capable of knocking down walls.

She used to be employed by the US government, until it was decided she was too unstable as a soldier. She then worked for Thug Boss, with whom she and Tyler held up Comoros Airport on Grande Comore in an attempt to ambush Richard Feliz.

While she was performing a weapons search on Dr. Helen Magnus, Magnus elbowed her in the face.

She was killed by a trap set by Magnus and Charlotte Benoit.