Chuck Bass, a character from Gossip Girl, is known for being wealthy, vain, and arrogant. He has a flamboyant fashion sense and a pet monkey named Sweetie. Personality traits Vain Chuck is often described as vain and lazy, with a focus on sex and money. Arrogant Chuck is known for his catchphrase, "I'm Chuck Bass," which demonstrates his wealth and arrogant personality. Romantic Chuck can also be romantic and thoughtful, especially towards people he cares about. Manipulative Chuck can be manipulative, as seen when he schemes to keep Blair and Nate apart. Relationships Blair Waldorf Chuck has a serious relationship with Blair Waldorf near the end of the series. Eva Chuck creates a fake identity, Henry Prince, after being rescued by Eva. He later breaks up with Eva after falling for one of Blair's schemes. Other characteristics Chuck is tolerated by others because of his family's wealth. Chuck's father frequently criticizes him for lacking ambition and performing poorly in school. 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. Following flings with numerous females and males, his only serious relationship comes near the end of the series, when he begins dating Blair Waldorf.

So yeah he’s your brother and your dad is Bart bass. Your dad is so so mean to both of you.