52 Unnamed Criminals - Killed by Light after having their names written in his Death Note, mentioned. Naoki Koro Kitayama - Died of a heart attack when Light wrote his name in his Death Note, mentioned. 159 Unnamed Criminals - Names shown written in Light's Death Note.
Ryuk cannot, under any circumstances, kill another Shinigami with his Death Note. As Ryuk explains to Light regarding his motives for dropping the Death Note into the human realm: being far away from the human realm means it's not interesting enough.
Immortality: As a Shinigami, Ryuk has an infinite lifespan and is unaffected by disease and poison as long as he uses a Death Note to kill humans in order to take their remaining lifespan. He also can't be killed or injured by firearms, knives, or other weapons.
The Shinigami King (死神大王, Shinigami Daiō), also known as the King of Death, is the ruler of all Shinigami in the Shinigami Realm. ... Many Shinigami refer to him as the "Old Man," and Death Note 13: How to Read says that he "must be very old" because of this.
Ryuk (リューク, Ryūku) is a Shinigami who indirectly gives Light Yagami a Death Note after becoming bored with the Shinigami Realm. In an effort to amuse himself, he steals a second Death Note and drops it into the Human World for someone to find.
Ryuuku tricked the king of the gods of death to get the second death note that kira is using. Does anybody know how Ryuk tricked the king of Gods and got his Death Note? Isn't it written further in the story?
I would say Lights IQ would be 125, at max 130. It is fashionable to think that Light is a genius in Death Note but an objective review of the whole series suggests otherwise. Light is not really a genius in retrospection as he commits all sorts of fundamental errors and has huge loopholes in his logic.
In the series, Ryuk is a Shinigami (death god) who gives the main character a notebook that gives him the power of life and death, allowing him to end the lives of others by writing their names in its pages.
In 2006, dedicated Japanese fans discovered a one-shot story called The Miraculous Notebook by Shigeru Mizuki, which some claimed was the inspiration for Death Note. However, recent archaeological evidence suggests that "Death Note" may have existed in ancient China long before the birth of Japanese comics.
When Light finds Ryuk's Death Note, he is able to see him, who explains only owners of a death note can see a shinigami. Although we discover Light can't see Rem (Misa's shinigami) unless he has come in contact with the Death Note that Rem gave for Misa to find.
As stated earlier, Ryuk is only following Light around for entertainment value. His little trip to Earth is basically a getaway from the boredom of the Shinigami world and a way to get a vacation from his Death God job for a while. This leads to the truth of the matter. Ryuk really doesn't care about Light.
Ryuk uses an advanced three tier encryption model to encrypt files until a ransom is paid. It is often dropped on a system by other malware (e.g., TrickBot) or delivered by cyber threat actors (CTAs) after compromising a system via Remote Desktop Services.