Case Study: Personality

In Death Note, L describes himself as having a "childish nature", one who is unyielding and hates to lose. Highly intelligent and perceptive, he will use whatever means he can and even take drastic measures to achieve his aims. He is also a risk taker and has no qualms about disclosing his weaknesses and risking his life if it means having a chance to nail down his suspect.

L is also an introvert and does not have much friends; in fact, he describe Light as his first friend.