Jinu

Jinu is a major character from the 2025 animated Netflix film K-Pop Demon Hunters. He’s one of the story’s most memorable figures — complex, dramatic, and central to the conflict between demons and demon hunters. Full name: Jinu (often called Jinu Saja). Role: He’s the secondary antagonist of K-Pop Demon Hunters, initially serving as a demon and leader of the rival demon boy band Saja Boys, which is designed to undermine the heroes, the girl group HUNTR/X. Background: Jinu was born human in 17th-century Korea and was originally a struggling street musician. In desperation, he made a pact with the powerful demon king Gwi-Ma — gaining immortality, power, and an irresistible voice, but losing his humanity and being bound to demon service. Leader of Saja Boys: As the frontman of this demon boy band, Jinu uses his charisma, singing talent, and stage presence to draw attention away from HUNTR/X and weaken the protective barrier (Honmoon) keeping demons from overwhelming the world. Conflicted Character: Although initially loyal to Gwi-Ma, Jinu’s lingering guilt and his growing connection with the hero Rumi force him to confront his past and motives. His arc transitions from manipulative antagonist to tragic, self-sacrificing figure, culminating in him protecting Rumi at great cost to himself. Species: Demon (formerly human). Powers: Includes immortality, levitation, teleportation, shapeshifting between human and demon forms, and other supernatural abilities that make him a formidable opponent. Personality: Charismatic, cunning, and conflicted — charming as an idol and deeply remorseful about abandoning his human life and family. Jinu stands out because he isn’t just a simple villain — his story blends K-pop aesthetics with supernatural drama and emotional depth, exploring themes like identity, redemption, and the cost of fame.