Charles Bartholomew "Chuck" Bass is a main character in the Gossip Girl television adaptation and a recurring character in the series of novels with the same name. He is portrayed by Ed Westwick. They marry in the series finale. He is best friends with Nate Archibald. Chuck is generally shown throughout the first two seasons as the group's bad boy, and is frequently manipulative.
However, a softer side to his personality is formed more for people cares about as the series progresses, most notably Nate and Blair. He often blames himself for his mother's death even though it isn't his fault, and he has a tendency to not completely trust people and is always in search of ways to succeed.
Chuck is orphaned in his senior year at high school due to the death of his father in a car accident, before being adopted by Lily van der Woodsen , his stepmother, and the only parent who Chuck really connected to and loved unconditionally.
In the novels , Chuck is the son of Bart and Misty Bass. Chuck's role is initially that of an antagonist to the main characters. Chuck is largely friendless but is tolerated by the others because of his family's enormous wealth.
He is described as having flamboyant fashion sense, with a penchant for scarves. Lazy and vain, Chuck's only interests are sex and money, and he is frequently chided by his father for lacking ambition and performing poorly in school.
