Unlike his sister Juleka, Luka is a calm boy who has a mixed personality of being playful, charming, mature, and flirtatious. He is empathetic at reading people's emotions and expressing it through music. Luka is very kind and generous, especially towards his friends and family, but also to people he just met as he cheers Marinette up shortly after meeting her. he dated Marinette and then they broke up in highschool, right now he is 25 years old and single