Disambiguation evidence for Ryuk via surface form

"Ryuk is a Shinigami who drops the Death Note into the human world"

Triples (1)

Triples where some other subject referred to this entity as "Ryuk is a Shinigami who drops the Death Note into the human world".

Death Note (2006 film) → characterRole →
"Ryuk is a Shinigami who drops the Death Note into the human world"
↳ resolves to Ryuk
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