He is an enigmatic, mysterious and highly-esteemed international consulting detective, whose true identity and background is kept a secret, communicating with law enforcement agencies only through his equally inexplicable handler/assistant, who serves as his official liaison with the authorities. Though his past is shrouded in mystery, he has gained a reputation as arguably the world’s greatest detective/criminal profiler.
He also has several quirks, such as preferring to crouch rather than sit, eating only sweet foods (like desserts, candies and fruits) and holding items by using only a thumb and a finger. He also has an unusual way of sitting, with both of his feet on the chair. He claims that if he sits normally, his reasoning ability would drop 40%. Interestingly, in the manga, he is seen sitting on the floor in a pose similar to how one would meditate, while thinking deeply about the Kira case. He is often seen arranging objects and very intently stacking, or in other ways playing with, his staple food items. L is almost always encountered while performing actions that are considered inappropriate or rude in public. These actions/habits include biting fingernails, placing feet on furniture, slouching, chewing with an open mouth, talking with his mouth full, and calling out personal observations that may offend others.
History:
At the age of eight, L was found by Watari and taken to the orphanage known as Wammy’s House, a home for gifted children. Sometime after, Watari realized that L had incredible intelligence and later assisted him in his cases.L became a detective at a young, unknown age and eventually gained a reputation as the greatest detective in the world whose opinion is highly valued.