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Bill Harken
Portrayed By Malik Yoba
First Seen Pilot
Status Living
Gender Male
Family Jeannie Harken (wife)


Alpha Type Alphatype-hyperadrenal.jpg Hyperadrenal

Bill Harken is a former FBI agent and a hyperadrenal Alpha on Rosen's team. His wife Jeannie thought he was still employed with the FBI.


Bill has the ability to enhance his strength and speed triggered by a "fight or flight" response. It is implied that he can activate this state at will. Bill cannot stay in this state for very long or else he will become cripplingly fatigued. Bill suffers from anger management issues. He has what Rosen describes as "boundary issues"; he routinely samples other people's food without asking permission.


Bill meets with another agent outside the Jacob K. Javits Federal Building in New York, New York. The other agent gives Bill some files pertaining to veterans with post-traumatic stress syndrome who have criminal records. In the Pilot Bill Harken talks with his wife Jeannie before leaving home for the day; outside he finds that a large vehicle is blocking his driveway. He exercises his hyperadrenal capability and pushes the offending vehicle sideways out of his way. He is then contacted by Dr. Rosen to investigate a sniping. When they find the guy who did it Bill goes after him, eventually catching up to him. The man is then revealed to be Cameron Hicks, who was being mind controlled by The Ghost. They figure out where the Ghost is. The Ghost brainwashes Bill and forces him to try and kill Dr. Rosen, but he is stopped by Nina. In the season finale Bill, along with Gary, discovers who Stanton is. He joins the team on the assault of the red flag base. He is then attacked by an alpha who can burn things and dispatches of him and a hyperadrenal. After the battle he suffered some burns but recovers and greets Dr. Rosen as he heads to D.C to tell the world about alphas.


  • Bill used to work with the FBI, before an incident where he broke his superior's clavicle. Despite an offer to return to the bureau during Bill and Gary's Excellent Adventure, Bill preferred to stay with the team.
  • Bill can also enhance the strength in his legs, enabling him to run considerably faster.
  • In addition to enhanced strength and speed, he also seems to become invulnerable, and only seems to respond to pain after he stops using his ability.
  • Bill seems to be immune to Matthew Hurley's power to make people mad.
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