Otto Hall

"We have to play dirty if we want to survive this war. You of all people should know that."

- Hall to Noah Sówka.

Otto Hall (Civilian Consultant 569910) is a renowned biologist and scientific consultant for the specializing in virology and xenobiology. Following the outbreak of the, Hall became a founding member of the Group of Nine, an ONI-backed syndicate created by politicians, businessmen, civilians, and senior officers of the military with the purpose of eliminating the Covenant threat permanently by any means necessary for the survival of humanity and their own ambitions.