Ryuk
Ryuk is a Shinigami (God of Death) in the Death Note franchise. The character has been created by the writer Tsugumi Ohba and the illustrator Takeshi Obata of Death Note manga series. It is Ryuk who starts the events of the manga and other adaptations. Ryuk was completely bored with his daily life and wanted something interesting to relieve his Boredom. So Ryuk throws one of his Death Notes into the human world. This Death Note is picked up by high school student Light Yagami.