Matt

Matt real name Mail Jeevas (マイル=ジーヴァス, Mairu Jīvasu) is a close friend of Mello as well as one of the many children taken into the famous orphanage known as Wammy's House when he was young to be raised to succeed L as a world class detective. When L died at the hands of Kira, he joined Mello in tracking Kira down and killing him to avenge the late detective.