Matt is a videogames lover, becoming almost an obsession. He's always seen playing a videogame. He also is a smoker and normally always has one on his lips. He's an experienced hacker, who with his skills helps Mello with his plans. He's intelligent, although not as much as Near or Mello. His specialty is technology. He works in the mafia with Mello and is his best friend and right-hand man. He's also an orphan, he lived in Wammy's House until he leaves at he's 16, with Mello.