Sebastian Morgenstern

Sebastian Morgenstern, born Jonathan Christopher Morgenstern, was the son of Valentine and Jocelyn, and the older brother of Clary Fairchild. As a result of experiments done on him by his father, Sebastian was a Shadowhunter born with demon blood. He was a master of manipulation and lies, much like his father. He was trained to become an effective spy, even charismatic and charming when the situation warranted it, just as he did when he was in the guise of Sebastian Verlac. Like Valentine, he was also devoted to a cause and towards a goal, motivated by little more than his selfish desires. In his case, it was not even the world and the hopes of ruling it—his main drive had become the desire to rule the world only with his sister and "brother", and to not be left utterly alone as a pariah. Clary noted that, beneath the endless void of evil, was an extremely lonely person who desired company and love, but had no idea that these things must be earned and not forced upon the person.