L (エル, Eru) is a world-renowned detective who takes on the challenge of catching the mass murderer known as Kira. In his investigation, L becomes suspicious of Light Yagami and makes it his goal to prove that Light is Kira. L was born in October 31, 1979 in Japan. L is a very slim, pale, tall young man with messy neck-length black hair and black eyes. One of his most noticeable features is the shadow below each of his eyes, a result of him being an insomniac. he has no social skills.