He was an immortality quester, and created the "From Hell" letter (of Jack the Ripper's), he was a sorcerer and created the portal in the letter as well. He appears in Broken. Hull accidentally wound up inside his portal for many years until he was released by Elena's blood touching the "From Hell" letter. Despite his bewilderment of finding himself in a different time and place, he eavesdropped on Elena and her companions, learning not only was she a female werewolf but she was pregnant with twins.