Clary is a short, petite girl with red, wild hair. She also has green eyes and many freckles. Clary also has picked up the talent she shares with her mother, the talent to draw. Clary was raised by her single mother; Jocelyn. All her life she hasn’t known anything about her father and her mother hasn’t offered any information other than he had died long ago. Clary has no siblings and only has a best friend named Simon; Well that is until Jace; the mysterious Shadowhunter, begins to sweep Clary off her feet. He is an arrogant but yet charming young man that gets Clary frustrated at every turn. She has an almost immediate attraction to him, but he is put off by her ‘mundaness’. Clary is a fierce friend that will do anything to help them, but she is not necessarily the bravest of female heroines, but she is certainly willing to try to help and give her all. She loves her mother very much, so when she is kidnapped in the beginning of Bones; she will stop it nothing to find her. Except for maybe when she finds out that her mother has been keeping many of secrets from her, many that could possibly ruin Clary….
Jace Wayland is a Shadowhunter orphaned at a young age by the murder of his father, he now lives with the Lightwoods and Hodge Starkweather at the Institute in New York City. He is said to be the best Shadowhunter his age, having been trained severely by his father prior to his death. He is described as having golden hair, eyes, and skin. His witty and cocky attitude he puts off to the outside world attracts plenty of girls throughout the books, not to mention his good looks. He is very arrogant, but is a very kind and thoughtful person underneath, though he tries to hide it. His name comes from his initials, J.C., short for Jonathan Christopher.
Simon Lewis is Clary's human best friend for about 10 years. He is also in love with her, though she does not appear to have the same feelings for him as well as oblivious to them until he directly says it. He tries to tell her while watching Erik read his poem, but she spots the mysterious boy from the night before outside, and chases out to follow him. Simon later has interest in Isabelle, but isn't quite sure how he feels about her.
Alec Lightwood is Isabelle's blood brother. Though he has been a Shadowhunter for many years, he had never killed a demon before and its said becaus ehe is too busy protecting everyone else. He has black hair and blue eyes. Alec is revealed to be gay and in love with Jace. He dislikes Clary due to seeing that Jace's growing attraction and love for her and not him.
Isabelle Lightwood is beautiful and obnoxious, and also a Shadowhunter. She is the daughter of Maryse Lightwood and Robert Lightwood and sister to Alec Lightwood. She is described as having black hair, black eyes, being tall, and incredibly beautiful. She, like her brother (Alec Lightwood) dislikes Clary at the beginning of the book, but grows more found of her later.
Valentine Morgenstern is a powerful Shadowhunter. He turns up after several years when he was supposedly dead and attempts to steal the Mortal Cup from Jocelyn (Clary's mother). He is Jocelyn's husband and he reveals a very terrible secret towards Jace and Clary.
Magnus Bane, the bisexual High Warlock of Brooklyn who has a romantic interest in Alec Lightwood, openly flirting with him. When his name is found imprinted inside Clary's mind, Clary and the gang must seek him out to see what he has to do with her past and her mother. He wears a lot of showy, glittery clothes. He's also really, really powerful.
Hodge Starkweather, Isabelle, Alec and Jace's tutor. A curse had been made by the Clave keeping him trapped inside the walls of the Institute, punishment for his days as a member of the Circle. He keeps a black raven on his shoulder at all times and spends many nights in the green house.
Jocelyn Fray/Fairchild, Clary's mother, a Shadowhunter in hiding because of her involvement in the Circle. She was Valentine's wife. She hid the Mortal Cup (one of three Mortal Instruments) and put herself into a coma by drinking a potion given to her by a warlock to prevent Valentine from gaining the Mortal Cup's location.