Alhaitham and Kaveh are biological brothers, they always fight and never get along, they obviously don't like each other, which is an understatement. Alhaitham is intelligent, smart, calculating, calm, stoic, protective, and prone to smart and snarky yet passive aggressive comments. Kaveh is prideful, superior, easily angered, kind, calm, caring, protective, confident, and prone to getting into fights with his brother, Alhaitham. Their fights are usually just verbal.