Generate a question that has the following answer: Jackie for the following movie plot: In a futuristic world, Michelle lives everyday battling with DNA Hackers who use their skills to hack into people's bodies and kill them. She is an assassin, battling her past demons and trying to keep her younger and extroverted brother, Jackie, out of trouble. When Jackie gets involved in a petty crime of robbery, he propels himself into the world of DNA Hackers, Shylocks (Loan Sharks) and Gang Fights. Wanting the respect that the world has never given to him only makes it harder for Jackie to peel himself away from the underground trades, against the hopes of his sister, Michelle. Michelle always wanted to leave the city and lead a calm and quiet lifestyle. As emotions and gunfire get into the way, Michelle and Jackie soon find themselves battling between their lives and finding out that in an immoral world, love can still survive; and that blood is thicker than water.
Who is Michelle's younger brother?