Alec Lightwood

Alec is the adopted brother of Jace. He is the oldest of the group and is suppose to have black hair and blue eyes. He is the older brother of Isabelle and Max. During the beginning of the series Alec doesn't like Clary very much, but that is because he thinks he's in love with Jace. In City of Ashes Alec starts to fall in love with the High Warlock of Brooklyn, Magnus Bane. Although he denies it because he is too stubborn to realize that he doesn't actually love Jace. As the series progresses Alec warms up to Clary and Simon. Alec, being 18 and the oldest, is considered the adult the group. Therefor Alec has to take the most responsibility and is also part of the city council.