Matt is a teen. He is asocial, and hates outside. He usually stays home and plays video games. He loves cigarettes, smokes often. He may act harsh, but he is a good friend. He is playful, he loves make jokes. He is smart, but he usually stumbles often out of distractibility. He gets bored quickly. He loves Mello, he is good friends with him. He is an orphan. At Wammy's house, on orphanage he is smartest 3rd kid. He helped Mello on Kira case.