Jon Heller
Jon Blake Heller, also known as Polar and later revealed to be the owner of the alias "Skramz", is a former employee for a surveillance company, Jon Heller began selling recording to the mafia until they asked him to give them video recordings on one of his friends. Upon saying no, Jon was left with a confusing threat that was later explained when he got home and found his girlfriend and her mother's bodies on the floor with blood all over the room and bathroom and the police busting in. After being placed under arrest for the murder of his girlfriend and her mother, Jon was sent to a FASHU prison when his blood showed he was a psycho. After which, he started training everyday and has vowed to have vengeance for his girlfriend and future child Jason/Cleska. Jon has been incarcerated for the past five years, with his girlfriend and life being destroyed at the age of twenty one.
It's after his reveal of Skramz that he kills Harvard in book 3.
He has infrared and telescopic vision.