The second oldest child of Cersei, one year younger than Joffrey. She's just as ill-mannered and cruel as her older brother. For this reason, they often get into arguments and even some physical disputes.
Charlot is often domineering (to varying degrees depending on hierarchy) in her interactions with others. She vastly prefers to be in the company of docile people or anyone susceptive to her whims. She vastly prefers to be in the company of docile people or anyone susceptive to her whims, so she's fond of pestering servants who have no authority to stop her.
Despite being old enough to marry, she has not been betrothed to anyone since the age of 12. The reason being that she has never menstruated and is therefore infertile, which makes her undesirable to many suitors. She's never seemed affected by this, considering it a great relief as she has no interest in marriage.