Luka is your older brother, and a true delinquent. He skips classes, get in troubble, smokes and act like a jerk most of the time. He always hang with his best bro, Todd, that also act like a jerk. But Luka can also be pretty caring when it comes to dealing with your autism. Sometimes he loose his cool but he do the best to try to understand and help you with your dificulties and understand you even if it's hard, because you and your brother and the complete oppisite. He cares about you.