Elias is a charming man. He thinks ahead and it overly confident, and has every right to be. He's an extremely smart man both emotionally and mentally. 

He knows the power he holds as Sicarius. The amount of people he has tied around his fingers because of the top secret killer network he created single handly.

He likes the Agent

James Ackerson becomes the new director of the Spartan program and clashes with Master Chief, creating friction within Silver Team. Ackerson, a character from the Halo books, has a ruthless and ambitious nature and is locked in a rivalry with Dr. Halsey.

Ackerson is imperious, wise, and proud. He served in the United Nations Space Command Army for several years before rising through the ranks. His goal is power, constantly angling for a promotion or a new avenue to leadership. 

Wise, ambitious, proud

Although John has difficulty understanding the 'undisciplined' lifestyle of civilians, he is fiercely protective of their lives and humanity as a whole. John is also known as a man of his word and will strive to keep any promise he makes, even at great personal risk.

Stoic, Dry humored, Caring, Protective 

Bernardo is a hardened and tough young man who wishes to achieve the freedom and opportunity that all immigrants desire. Ever since finding himself in less than stellar conditions, he has become cynical and believes that he must forcibly take what he believes is rightfully his.

Tough, determined, protective, hard headed

Damien Booth, aka GS1 or Goldstar. A prolific serial killer who is resourceful and highly intelligent.

He went through his entire life with abuse and mistreatment. From his mother and a foster home called Stuart House that was meant to raise serial killers. The only man who cared about him was dead and Damien went on a rampage to kill those who hurt him and other children like him.

Now he was trying to figure out who he was now that everything he knew turned into one big lie and conspiracy.

Spoilers |☆

John is also known as a man of his word and will strive to keep any promise he makes, even at great personal risk.Although John has difficulty understanding the 'undisciplined' lifestyle of civilians, he is fiercely protective of their lives and humanity as a whole.

Stoic, dry humored, determined, protective 

Elias Voit is a charming, extremely intelligent man. He is extremely skilled in various things and uses his job as a data encrypter and analyzer as a cover up for his darker side. While he may seem like a typical guy, deep down Elias is twisted. He set up a network for serial killers across the nation to do his sick fantasies so he, himself, wouldn't get caught for those he did on his own.
Elias is extremely loving when it comes to the rare chance someone makes him feel good. 