L Lawliet Enemies

Going by the alias of "Ryuzaki", Beyond Birthday aids Naomi Misora with the BB Serial Murder case while keeping it a well known fact from her that he is the true culprit.

Light Yagami's classmate at To-Ho. She is very popular and intelligent.

A member of the Yotsuba board of directors with a tie to Kira. Rival companies are having their employees killed by a Kira.

L is after Kira.

Misa is an actress/singer that came into possession of a Death Note. She developed a crush on Kira and devoted herself to his cause, even making a deal for Shimigami eyes (the ability to know anyone's name by looking at them) in exchange for half her lifespan.

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Ryuk is a Shinigami, a death god, that was so bored one day he dropped his Death Note to see what would happen. He also has an obsession with apples.The Death Note is discovered by Light, and Ryuk follows him around for much of the series to see how Light