Soichiro Yagami is Light's father and the leader of the remains of his investigation team under L's command. He is a kind man with a strong sense of justice. He cares greatly for his family and the members of the Japanese Task Force. He is a serious and responsible man that gains the respect of many. He has a strong sense of duty, and even after the police stop funding the Kira investigation he continues trying to solve the case with the Task Force. Soichiro was responsible for successfully retrieving tape recordings of the Second Kira from Kyosuke.